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Natural Processes - nouns denoting natural processes

  1. ablactation = the cessation of lactation
  2. ablation = the erosive process that reduces the size of glaciers
  3. abrasion = erosion by friction
  4. abscission = shedding of flowers and leaves and fruit following formation of scar tissue in a plant
  5. absorption = a process in which one substance permeates another
  6. accession = a process of increasing by addition
  7. acclimation = adaptation to a new climate
  8. acclimatisation = adaptation to a new climate
  9. acclimatization = adaptation to a new climate
  10. accouchement = the parturition process in human beings; having a baby
  11. accretion = an increase by natural growth or addition / (geology) an increase in land resulting from alluvial deposits or waterborne sediment / (biology) growth by addition as by the adhesion of parts or particles / (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
  12. accumulation = an increase by natural growth or addition
  13. acetylation = the process of introducing an acetyl group into a compound
  14. Acheson process = an industrial process for making graphite by heating a mixture of coke and clay
  15. acid-base balance = the normal equilibrium between acids and alkalis in the body
  16. acid-base equilibrium = the normal equilibrium between acids and alkalis in the body
  17. acidification = the process of becoming acid or being converted into an acid
  18. action = a process existing in or produced by nature
  19. activation = stimulation of activity in an organism or chemical
  20. active birth = childbirth during which the mother is encouraged to be an active participant
  21. active transport = transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient
  22. activity = an organic process that takes place in the body / a process existing in or produced by nature
  23. acylation = the process of introducing an acyl group into a compound
  24. adaptation = the process of adapting to something
  25. adaption = the process of adapting to something
  26. addition reaction = a chemical reaction in which one molecule is added to another
  27. adiabatic process = any process that occurs without gain or loss of heat
  28. adjustment = the process of adapting to something
  29. administrative data processing = data processing in accounting or business management
  30. ADP = data processing by a computer
  31. adsorption = the accumulation of molecules of a gas to form a thin film on the surface of a solid
  32. advection = the horizontal transfer of heat or other atmospheric properties
  33. aeration = the process of exposing to air
  34. agamogenesis = reproduction without the fusion of gametes
  35. ageing = the organic process of growing older and showing the effects of increasing age / acquiring desirable qualities by being left undisturbed for some time
  36. agenesia = imperfect development
  37. agenesis = imperfect development
  38. agglutinating activity = the coalescing of small particles that are suspended in solution
  39. agglutination = the building of words from component morphemes that retain their form and meaning in the process of combining / a clumping of bacteria or red cells when held together by antibodies (agglutinins) / the coalescing of small particles that are suspended in solution
  40. aging = the organic process of growing older and showing the effects of increasing age / acquiring desirable qualities by being left undisturbed for some time
  41. aldol reaction = a reaction of aldehydes resulting in an aldol
  42. alluvion = gradual formation of new land, by recession of the sea or deposit of sediment
  43. alpha decay = radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
  44. alternative birth = a method of childbirth that avoids intrusive high-tech medicine in favor of more natural and homely settings
  45. alternative birthing = a method of childbirth that avoids intrusive high-tech medicine in favor of more natural and homely settings
  46. amelogenesis = the developmental process of forming tooth enamel
  47. Americanisation = assimilation into American culture
  48. Americanization = assimilation into American culture
  49. amitosis = the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes
  50. ammonification = impregnation with ammonia or a compound of ammonia
  51. amphimixis = reproduction involving the union or fusion of a male and a female gamete
  52. amylolysis = conversion of starch to sugar
  53. anabolism = the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
  54. anaglyphy = the process of producing pictures in contrasting colors that appear three-dimensional when superimposed and viewed through spectacles with one red and one green lens
  55. anamorphism = metamorphism that occurs deep under the earth's surface
  56. anamorphosis = the evolution of one type of organism from another by a long series of gradual changes
  57. anaphase = the stage of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle
  58. anastalsis = muscular action of the alimentary tract in a direction opposite to peristalsis
  59. androgenesis = male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization
  60. androgeny = male parthenogenesis in which the embryo contains only paternal chromosomes due to the failure of the egg nucleus to participate in fertilization
  61. angiogenesis = the formation of new blood vessels
  62. Anglicisation = the act of anglicizing
  63. Anglicization = the act of anglicizing
  64. anisogamy = reproduction by the union or fusion of two differing gametes
  65. anovulation = the absence of ovulation due to immaturity or post-maturity or pregnancy or oral contraceptive pills or dysfunction of the ovary
  66. anthesis = the time and process of budding and unfolding of blossoms
  67. anthropogenesis = the evolution or genesis of the human race
  68. anthropogeny = the evolution or genesis of the human race
  69. antiredeposition = the process of preventing redeposition
  70. antisepsis = the process of inhibiting the growth and multiplication of microorganisms
  71. aphaeresis = omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'
  72. apheresis = omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'
  73. aphesis = the gradual disappearance of an initial (usually unstressed) vowel or syllable as in `squire' for `esquire'
  74. apogamy = development of an embryo without fertilization
  75. apomixis = any of several kinds of reproduction without fertilization
  76. apposition = growth in the thickness of a cell wall by the deposit of successive layers of material
  77. asepsis = the process of inhibiting the growth and multiplication of microorganisms
  78. asexual reproduction = reproduction without the fusion of gametes
  79. assibilation = the development of a consonant phoneme into a sibilant
  80. assimilation = a linguistic process by which a sound becomes similar to an adjacent sound / the process of absorbing nutrients into the body after digestion / the social process of absorbing one cultural group into harmony with another
  81. association = any process of combination (especially in solution) that depends on relatively weak chemical bonding
  82. asynchronous operation = operations that occur without a regular or predictable time relation to other events
  83. attack = the onset of a corrosive or destructive process
  84. attrition = erosion by friction
  85. autocatalysis = catalysis in which the catalyst is one of the products of the reaction
  86. autolysis = lysis of plant or animal tissue by an internal process
  87. automatic data processing = data processing by a computer
  88. autoradiography = producing a radiograph by means of the radiation emitted from the specimen being photographed
  89. autoregulation = processes that maintain a generally constant physiological state in a cell or organism
  90. autotype = process for producing permanent prints in a carbon pigment
  91. autotypy = process for producing permanent prints in a carbon pigment
  92. auxesis = growth from increase in cell size without cell division
  93. auxiliary operation = a operation performed by off-line equipment not under the control of the central processing unit
  94. background processing = the execution of low priority programs while higher priority programs are not using the processing system
  95. backgrounding = the execution of low priority programs while higher priority programs are not using the processing system
  96. backup = an accumulation caused by clogging or a stoppage
  97. bacteriolysis = dissolution or destruction of bacteria
  98. bacteriostasis = inhibition of the growth of bacteria
  99. basal metabolic rate = the rate at which heat is produced by an individual in a resting state
  100. basal metabolism = the amount of energy required to maintain the body of an individual in a resting state
  101. batch processing = the serial execution of computer programs
  102. beach erosion = the erosion of beaches
  103. bed-wetting = enuresis during sleep
  104. beneficiation = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  105. Bessemer process = an industrial process for making steel using a Bessemer converter to blast air through molten iron and thus burning the excess carbon and impurities
  106. beta decay = radioactive decay of an atomic nucleus that is accompanied by the emission of a beta particle
  107. binary arithmetic operation = an operation that follows the rules of Boolean algebra
  108. binary operation = an operation that follows the rules of Boolean algebra
  109. biochemical mechanism = a chemical mechanism involved in vital processes occurring in living organisms
  110. biogenesis = production of a chemical compound by a living organism
  111. biological process = a process occurring in living organisms
  112. biosynthesis = production of a chemical compound by a living organism
  113. birth = the process of giving birth
  114. birthing = the process of giving birth
  115. blastogenesis = asexual reproduction by budding
  116. blaze = a strong flame that burns brightly
  117. blazing = a strong flame that burns brightly
  118. blistering = the formation of vesicles in or beneath the skin
  119. blood clotting = a process in which liquid blood is changed into a semisolid mass
  120. blood coagulation = a process in which liquid blood is changed into a semisolid mass
  121. bloom = the organic process of bearing flowers
  122. blooming = the organic process of bearing flowers
  123. blossoming = the time and process of budding and unfolding of blossoms
  124. blowing = processing that involves blowing a gas
  125. blueing = a process that makes something blue
  126. bluing = a process that makes something blue
  127. bm = a euphemism for defecation
  128. BMR = the rate at which heat is produced by an individual in a resting state
  129. bodily function = an organic process that takes place in the body
  130. bodily process = an organic process that takes place in the body
  131. body process = an organic process that takes place in the body
  132. boiling = the application of heat to change something from a liquid to a gas
  133. boolean operation = an operation that follows the rules of Boolean algebra
  134. bottom fermentation = a slow kind of alcoholic fermentation at a temperature low enough that the yeast cells can sink to the bottom of the fermenting liquid
  135. bowel movement = a euphemism for defecation
  136. Bradley method = a method that prepares a mother for natural childbirth by providing education and exercises and nutrition and techniques of breathing and relaxation
  137. Bradley method of childbirth = a method that prepares a mother for natural childbirth by providing education and exercises and nutrition and techniques of breathing and relaxation
  138. breakdown = the process of decay caused by bacterial or fungal action
  139. broadening = an increase in width
  140. brooding = sitting on eggs so as to hatch them by the warmth of the body
  141. budding = reproduction of some unicellular organisms (such as yeasts) by growth and specialization followed by the separation by constriction of a part of the parent
  142. buildup = the result of the process of accumulation
  143. burning = a process in which a substance reacts with oxygen to give heat and light
  144. business data processing = data processing in accounting or business management
  145. caenogenesis = introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
  146. cainogenesis = introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
  147. calcification = a process that impregnates something with calcium
  148. calcination = the conversion of metals into their oxides as a result of heating to a high temperature
  149. calving = giving birth to a calf
  150. capture = any process in which an atomic or nuclear system acquires an additional particle / a process whereby a star or planet holds an object in its gravitational field
  151. carbon cycle = a thermonuclear reaction in the interior of stars / the organic circulation of carbon from the atmosphere into organisms and back again
  152. carbonation = saturation with carbon dioxide
  153. carbonisation = the destructive distillation of coal
  154. carbonization = the destructive distillation of coal
  155. caries = soft decayed area in a tooth
  156. carriage return = the operation that prepares for the next character to be printed or displayed as the first character on a line
  157. carrier electrophoresis = electrophoresis carried out on filter paper
  158. catabiosis = normal aging of cells
  159. catabolism = breakdown in living organisms of more complex substances into simpler ones together with release of energy
  160. catalysis = acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction
  161. catamenia = the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  162. cataphoresis = the motion of charged particles in a colloid under the influence of an electric field
  163. cavity = soft decayed area in a tooth
  164. cell division = the process in reproduction and growth by which a cell divides to form daughter cells
  165. cellular division = the process in reproduction and growth by which a cell divides to form daughter cells
  166. cenogenesis = introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
  167. centrifugation = the process of separating substances of different densities by the use of a centrifuge
  168. chain reaction = a series of chemical reactions in which the product of one is a reactant in the next / a self-sustaining nuclear reaction
  169. chelation = the process of forming a ring by forming one or more hydrogen bonds / (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
  170. chemical action = any process determined by the atomic and molecular composition and structure of the substances involved
  171. chemical change = any process determined by the atomic and molecular composition and structure of the substances involved
  172. chemical decomposition reaction = separation of a substance into two or more substances that may differ from each other and from the original substance
  173. chemical equilibrium = a chemical reaction and its reverse proceed at equal rates
  174. chemical mechanism = the atomic process that occurs during a chemical reaction
  175. chemical process = any process determined by the atomic and molecular composition and structure of the substances involved
  176. chemical reaction = a process in which one or more substances are changed into others
  177. chemisorption = adsorption (especially when irreversible) by means of chemical instead of physical forces
  178. chemosorption = adsorption (especially when irreversible) by means of chemical instead of physical forces
  179. chemosynthesis = synthesis of carbohydrate from carbon dioxide and water
  180. childbearing = the parturition process in human beings; having a baby
  181. childbirth = the parturition process in human beings; having a baby
  182. chilling = the process of becoming cooler
  183. chlorination = the addition or substitution of chlorine in organic compounds
  184. chromatography = a process used for separating mixtures by virtue of differences in absorbency
  185. citric acid cycle = in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy
  186. civilisation = the social process whereby societies achieve an advanced stage of development and organization
  187. civilization = the social process whereby societies achieve an advanced stage of development and organization
  188. cleavage = the repeated division of a fertilised ovum / the breaking of a chemical bond in a molecule resulting in smaller molecules
  189. climate change = a change in the world's climate
  190. clotting = the process of forming semisolid lumps in a liquid
  191. clouding = the process whereby water particles become visible in the sky
  192. clouding up = the process whereby water particles become visible in the sky
  193. coagulation = the process of forming semisolid lumps in a liquid
  194. cohesion = the process in some plants of parts growing together that are usually separate
  195. cold fusion = nuclear fusion at or near room temperatures
  196. column chromatography = chromatography that uses selective adsorption by a column of powders
  197. combustion = a process in which a substance reacts with oxygen to give heat and light
  198. compensation = a defense mechanism that conceals your undesirable shortcomings by exaggerating desirable behaviors
  199. computer operation = an elementary operation that a computer is designed and built to perform
  200. concretion = the formation of stonelike objects within a body organ
  201. concurrent execution = the execution of two or more computer programs by a single computer
  202. concurrent operation = two or more operations performed at the same time
  203. condensation = the process of changing from a gaseous to a liquid or solid state
  204. congealment = the process of congealing
  205. congelation = the process of congealing
  206. conglutination = healing process involving the growing together of the edges of a wound or the growing together of broken bones
  207. consecutive operation = the sequential execution of operations one after another
  208. conspicuous consumption = buying expensive services and products in order to flaunt your wealth
  209. constructive metabolism = the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy
  210. consumption = the utilization of economic goods to satisfy needs or in manufacturing
  211. contact action = acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction
  212. control function = an operation that controls the recording or processing or transmission of interpretation of data
  213. control operation = an operation that controls the recording or processing or transmission of interpretation of data
  214. convalescence = gradual healing (through rest) after sickness or injury
  215. convection = the transfer of heat through a fluid (liquid or gas) caused by molecular motion / (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
  216. conversion = a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis
  217. cooling = the process of becoming cooler
  218. corrasion = erosion by friction
  219. corroding = erosion by chemical action
  220. corrosion = erosion by chemical action
  221. corruption = decay of matter
  222. cost-pull inflation = inflation caused by an increase in the costs of production
  223. cracking = the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight
  224. crossing over = the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
  225. crossover = the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
  226. cultivation = the process of fostering the growth of something
  227. curdling = the process of forming semisolid lumps in a liquid
  228. curing = the process of becoming hard or solid by cooling or drying or crystallization
  229. cyanide process = an industrial process for extracting gold and silver by treating ore with a sodium cyanide solution
  230. cytogenesis = the origin and development and variation of cells
  231. cytogeny = the origin and development and variation of cells
  232. cytokinesis = organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells
  233. cytolysis = pathological breakdown of cells by the destruction of their outer membrane
  234. data mining = data processing using sophisticated data search capabilities and statistical algorithms to discover patterns and correlations in large preexisting databases
  235. data processing = a series of operations on data by a computer in order to retrieve or transform or classify information
  236. de-iodination = the removal of iodine atoms from organic compounds
  237. de-Nazification = social process of removing Nazis from official positions and giving up any allegiance to Nazism
  238. de-Stalinisation = social process of neutralizing the influence of Joseph Stalin by revising his policies and removing monuments dedicated to him and renaming places named in his honor
  239. de-Stalinization = social process of neutralizing the influence of Joseph Stalin by revising his policies and removing monuments dedicated to him and renaming places named in his honor
  240. dealignment = a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties
  241. deamination = removal of the amino radical from an amino acid or other amino compound
  242. deaminization = removal of the amino radical from an amino acid or other amino compound
  243. decalcification = loss of calcium from bones or teeth
  244. decarboxylation = the process of removing a carboxyl group from a chemical compound
  245. decay = a gradual decrease
  246. decentalisation = the social process in which population and industry moves from urban centers to outlying districts
  247. decentralization = the social process in which population and industry moves from urban centers to outlying districts
  248. declension = process of changing to an inferior state
  249. decline = a gradual decrease
  250. decline in quality = process of changing to an inferior state
  251. decoction = the extraction of water-soluble drug substances by boiling
  252. decoction mashing = a process in which part of the mash is removed and boiled and then returned
  253. decoction process = a process in which part of the mash is removed and boiled and then returned
  254. decomposition = the process of decay caused by bacterial or fungal action / (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
  255. decomposition reaction = separation of a substance into two or more substances that may differ from each other and from the original substance
  256. decrease = a process of becoming smaller or shorter
  257. decrement = a process of becoming smaller or shorter
  258. dedifferentiation = the loss of specialization in form or function
  259. deepening = a process of becoming deeper and more profound
  260. defecation = the elimination of fecal waste through the anus
  261. defence = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  262. defence mechanism = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  263. defence reaction = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  264. defense = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  265. defense mechanism = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  266. defense reaction = an unconscious process that tries to reduce the anxiety associated with instinctive desires
  267. defining = any process serving to define the shape of something
  268. deflagration = combustion that propagates through a gas or along the surface of an explosive at a rapid rate driven by the transfer of heat
  269. deflation = a contraction of economic activity resulting in a decline of prices / (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind
  270. deflationary spiral = an episode of deflation in which prices and wages decrease at an increasing rate and currency gains in value
  271. defoliation = the loss of foliage
  272. degaussing = the process of making a (steel) ship's hull nonmagnetic by producing an opposing magnetic field
  273. degeneration = the process of declining from a higher to a lower level of effective power or vitality or essential quality
  274. dehydration = the process of extracting moisture
  275. deletion = any process whereby sounds or words are left out of spoken words or phrases
  276. demagnetisation = the process of removing magnetization
  277. demagnetization = the process of removing magnetization
  278. demand = the ability and desire to purchase goods and services
  279. demand-pull inflation = inflation caused by an increase in demand or in the supply of money
  280. demineralisation = the removal of minerals and mineral salts from a liquid
  281. demineralization = the removal of minerals and mineral salts from a liquid
  282. denazification = social process of removing Nazis from official positions and giving up any allegiance to Nazism
  283. denial = a defense mechanism that denies painful thoughts
  284. dental caries = soft decayed area in a tooth
  285. dentition = the eruption through the gums of baby teeth
  286. deossification = the loss of the mineral content of bone tissue
  287. deposit = the natural process of laying down a deposit of something
  288. deposition = the natural process of laying down a deposit of something
  289. derivation = the process whereby new words are formed from existing words or bases by affixation
  290. desalination = the removal of salt
  291. desalinisation = the removal of salt
  292. desalinization = the removal of salt
  293. desensitisation = the process of reducing sensitivity
  294. desensitization = the process of reducing sensitivity
  295. desertification = the gradual transformation of habitable land into desert
  296. desiccation = the process of extracting moisture
  297. desorption = changing from an adsorbed state on a surface to a gaseous or liquid state
  298. destalinisation = social process of neutralizing the influence of Joseph Stalin by revising his policies and removing monuments dedicated to him and renaming places named in his honor
  299. destalinization = social process of neutralizing the influence of Joseph Stalin by revising his policies and removing monuments dedicated to him and renaming places named in his honor
  300. destructive distillation = heating a solid substance in a closed container and collecting the volatile products
  301. destructive metabolism = breakdown in living organisms of more complex substances into simpler ones together with release of energy
  302. deterioration = process of changing to an inferior state
  303. detrition = erosion by friction
  304. detumescence = diminution of swelling
  305. developing = processing a photosensitive material in order to make an image visible
  306. development = processing a photosensitive material in order to make an image visible / a process in which something passes by degrees to a different stage (especially a more advanced or mature stage) / (biology) the process of an individual organism growing organically
  307. devolution = the process of declining from a higher to a lower level of effective power or vitality or essential quality
  308. diakinesis = the final stage of the prophase of meiosis
  309. diaphoresis = the process of the sweat glands of the skin secreting a salty fluid
  310. diastrophism = the process of deformation that produces continents and ocean basins in the earth's crust
  311. dielectrolysis = the motion of charged particles in a colloid under the influence of an electric field
  312. differentiation = the structural adaptation of some body part for a particular function
  313. diffusion = the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
  314. digestion = the organic process by which food is converted into substances that can be absorbed into the body / the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat
  315. digital photography = a photographic method that stores the image digitally for later reproduction
  316. dilapidation = the process of becoming dilapidated
  317. diminution = change toward something smaller or lower
  318. diplotene = the fourth stage of the prophase of meiosis
  319. discharge = any of several bodily processes by which substances go out of the body
  320. disinflation = a reduction of prices intended to improve the balance of payments
  321. disintegration = the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation / separation into component parts
  322. displacement = a defense mechanism that transfers affect or reaction from the original object to some more acceptable one / (chemistry) a reaction in which an elementary substance displaces and sets free a constituent element from a compound
  323. displacement reaction = a reaction in which an elementary substance displaces and sets free a constituent element from a compound
  324. dissimilation = breakdown in living organisms of more complex substances into simpler ones together with release of energy / a linguistic process by which one of two similar sounds in a word becomes less like the other
  325. dissociation = the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions
  326. dissolution = separation into component parts / the process of going into solution
  327. dissolving = the process of going into solution
  328. distillation = the process of purifying a liquid by boiling it and condensing its vapors
  329. distillment = the process of purifying a liquid by boiling it and condensing its vapors
  330. distributed data processing = data processing in which some of the functions are performed in different places and connected by transmission facilities
  331. dithering = the process of representing intermediate colors by patterns of tiny colored dots that simulate the desired color
  332. domestication = adaptation to intimate association with human beings
  333. double decomposition = a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds
  334. double decomposition reaction = a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds
  335. double replacement reaction = a chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound
  336. doubling = increase by a factor of two
  337. drift = the gradual departure from an intended course due to external influences (as a ship or plane) / a process of linguistic change over a period of time
  338. drop-off = a noticeable deterioration in performance or quality
  339. dry plate = a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion
  340. dry plate process = a former photographic method that used a glass plate coated with a light-sensitive gelatinous emulsion
  341. drying up = the process of extracting moisture
  342. dump = a coarse term for defecation
  343. dyadic operation = an operation on exactly two operands
  344. eating away = the mechanical process of wearing or grinding something down
  345. ebb = a gradual decline
  346. ebbing = a gradual decline
  347. eburnation = a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivory
  348. ecchymosis = the escape of blood from ruptured blood vessels into the surrounding tissue to form a purple or black-and-blue spot on the skin
  349. ecdysis = periodic shedding of the cuticle in arthropods or the outer skin in reptiles
  350. ecesis = the process by which a plant or animal becomes established in a new habitat
  351. eclipsis = omission or suppression of parts of words or sentences
  352. ecological succession = the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
  353. economic consumption = the utilization of economic goods to satisfy needs or in manufacturing
  354. economic growth = steady growth in the productive capacity of the economy
  355. economic process = any process affecting the production and development and management of material wealth
  356. EDP = automatic data processing by electronic means without the use of tabulating cards or punched tapes
  357. effacement = shortening of the uterine cervix and thinning of its walls as it is dilated during labor
  358. effervescence = the process of bubbling as gas escapes
  359. efflorescence = the time and process of budding and unfolding of blossoms
  360. effluence = the process of flowing out
  361. efflux = the process of flowing out
  362. egg laying = the production of eggs
  363. ejaculation = the discharge of semen in males
  364. electrodeposition = the deposition of a substance on an electrode by the action of electricity
  365. electrolysis = a chemical decomposition reaction produced by passing an electric current through a solution containing ions
  366. electronic data processing = automatic data processing by electronic means without the use of tabulating cards or punched tapes
  367. electrophoresis = the motion of charged particles in a colloid under the influence of an electric field
  368. electrostatic precipitation = a process that removes suspended dust particles from a gas by applying a high voltage electrostatic charge to the particles and collecting them on charged plates
  369. elimination = the bodily process of discharging waste matter
  370. elimination reaction = a chemical reaction in which a molecule decomposes to two different molecules
  371. elision = omission of a sound between two words
  372. ellipsis = omission or suppression of parts of words or sentences
  373. elution = the process of extracting one material from another by washing with a solvent to remove adsorbed material from an adsorbent
  374. emergent evolution = the appearance of entirely new properties at certain critical stages in the course of evolution
  375. emission = any of several bodily processes by which substances go out of the body / the release of electrons from parent atoms
  376. encapsulation = the process of enclosing
  377. encrustation = the formation of a crust
  378. endoergic reaction = a nuclear reaction occurring with absorption of energy
  379. endothermic reaction = a chemical reaction accompanied by the absorption of heat
  380. enuresis = inability to control the flow of urine and involuntary urination
  381. epigenesis = a geological change in the mineral content of rock after the rock has formed
  382. epilation = loss of hair
  383. epistasis = the suppression of a gene by the effect of an unrelated gene
  384. epitaxy = growing a crystal layer of one mineral on the crystal base of another mineral in such a manner that its crystalline orientation is the same as that of the substrate
  385. eponymy = the derivation of a general name from that of a famous person
  386. equilibrium = a chemical reaction and its reverse proceed at equal rates
  387. eroding = the mechanical process of wearing or grinding something down
  388. erosion = erosion by chemical action / (geology) the mechanical process of wearing or grinding something down (as by particles washing over it) / a gradual decline of something
  389. erythropoiesis = the process of producing red blood cells by the stem cells in the bone marrow
  390. establishment = the process by which a plant or animal becomes established in a new habitat
  391. Europeanisation = assimilation into European culture
  392. Europeanization = assimilation into European culture
  393. eutrophication = excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life
  394. evacuation = the bodily process of discharging waste matter
  395. evaporation = the process of extracting moisture / the process of becoming a vapor
  396. evolution = a process in which something passes by degrees to a different stage (especially a more advanced or mature stage) / (biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
  397. excreting = the bodily process of discharging waste matter
  398. excretion = the bodily process of discharging waste matter
  399. execution = the process of carrying out an instruction by a computer
  400. exoergic reaction = a nuclear reaction accompanied by the evolution of energy
  401. exothermic reaction = a chemical reaction accompanied by the evolution of heat
  402. expectoration = the process of coughing up and spitting out
  403. expelling = any of several bodily processes by which substances go out of the body
  404. exponential decay = a decrease that follows an exponential function
  405. exponential return = a decrease that follows an exponential function
  406. expression = the process of expressing a gene
  407. extinction = the reduction of the intensity of radiation as a consequence of absorption and radiation
  408. extraction = the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
  409. extravasation = the process of exuding or passing out of a vessel into surrounding tissues
  410. falling off = a noticeable deterioration in performance or quality
  411. falloff = a noticeable deterioration in performance or quality
  412. farrow = the production of a litter of pigs
  413. farrowing = the production of a litter of pigs
  414. fat metabolism = a metabolic process that breaks down ingested fats into fatty acids and glycerol and then into simpler compounds that can be used by cells of the body
  415. feedback = the process in which part of the output of a system is returned to its input in order to regulate its further output
  416. feminisation = the process of becoming feminized
  417. feminization = the process of becoming feminized
  418. ferment = a process in which an agent causes an organic substance to break down into simpler substances
  419. fermentation = a process in which an agent causes an organic substance to break down into simpler substances
  420. fermenting = a process in which an agent causes an organic substance to break down into simpler substances
  421. festering = the formation of morbific matter in an abscess or a vesicle and the discharge of pus
  422. fibrinolysis = a normal ongoing process that dissolves fibrin and results in the removal of small blood clots
  423. field emission = the emission of electrons that are stripped from parent atoms by a high electric field
  424. filling = flow into something
  425. filtration = the process whereby fluids pass through a filter or a filtering medium
  426. fire = the process of combustion of inflammable materials producing heat and light and (often) smoke
  427. fission = a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy / reproduction of some unicellular organisms by division of the cell into two more or less equal parts
  428. fissiparity = reproduction of some multicellular organisms by division, as in the case of some starfish
  429. fixed-cycle operation = an operation that is completed in a specified number of regularly timed execution cycles
  430. flame = the process of combustion of inflammable materials producing heat and light and (often) smoke
  431. flaming = the process of combustion of inflammable materials producing heat and light and (often) smoke
  432. flare = a sudden burst of flame
  433. floating-point operation = an arithmetic operation performed on floating-point numbers
  434. flocculation = the process of flocculating
  435. flop = an arithmetic operation performed on floating-point numbers
  436. florescence = the time and process of budding and unfolding of blossoms
  437. flow = any uninterrupted stream or discharge / the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  438. flowage = gradual internal motion or deformation of a solid body
  439. flowering = the time and process of budding and unfolding of blossoms / a developmental process
  440. focalisation = the confinement of an infection to a limited area
  441. focalization = the confinement of an infection to a limited area
  442. fold = a geological process that causes a bend in a stratum of rock
  443. folding = a geological process that causes a bend in a stratum of rock / the process whereby a protein molecule assumes its intricate three-dimensional shape
  444. foliation = the arrangement of leaflike layers in a rock / (botany) the process of forming leaves
  445. foreground processing = the execution of a program that preempts the use of the processing system
  446. foregrounding = the execution of a program that preempts the use of the processing system
  447. formation = natural process that causes something to form
  448. fossilisation = the process of fossilizing a plant or animal that existed in some earlier age
  449. fossilization = the process of fossilizing a plant or animal that existed in some earlier age
  450. fractional distillation = fractionation of a liquid by distillation
  451. fractional process = a process that uses heat to separate a substance into its components
  452. fractionation = a process that uses heat to separate a substance into its components
  453. fragmentation = the condition of a file that is broken up and stored in many different locations on a magnetic disk
  454. freeze = the withdrawal of heat to change something from a liquid to a solid
  455. freeze-drying = a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure
  456. freezing = the withdrawal of heat to change something from a liquid to a solid
  457. frost = the formation of frost or ice on a surface
  458. fructification = the bearing of fruit
  459. functioning = process or manner of functioning or operating
  460. fusion = a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy / the merging of adjacent sounds or syllables or words
  461. galactosis = the secretion of milk
  462. galvanisation = stimulation with a galvanic current
  463. galvanization = stimulation with a galvanic current
  464. gametogenesis = the development and maturation of sex cells through meiosis
  465. gasification = the process of changing into gas
  466. gassing = the process of interacting with gas
  467. gastric digestion = the process of breaking down proteins by the action of the gastric juice in the stomach
  468. gastrulation = the process in which a gastrula develops from a blastula by the inward migration of cells
  469. gemmation = asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual
  470. geologic process = a natural process whereby geological features are modified
  471. geological process = a natural process whereby geological features are modified
  472. germination = the process whereby seeds or spores sprout and begin to grow
  473. giving birth = the process of giving birth
  474. glaciation = the process of covering the earth with glaciers or masses of ice
  475. global climate change = a change in the world's climate
  476. global warming = an increase in the average temperature of the earth's atmosphere
  477. globalisation = growth to a global or worldwide scale
  478. globalization = growth to a global or worldwide scale
  479. glycogenesis = the formation in animals of glycogen from glucose
  480. glycolysis = a metabolic process that breaks down carbohydrates and sugars through a series of reactions to either pyruvic acid or lactic acid and releases energy for the body in the form of ATP
  481. growing = the production of (semiconductor) crystals by slow crystallization from the molten state / (biology) the process of an individual organism growing organically
  482. growth = the process of an individual organism growing organically
  483. gynogenesis = female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus
  484. Haber process = an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst
  485. Haber-Bosch process = an industrial process for producing ammonia from nitrogen and hydrogen by combining them under high pressure in the presence of an iron catalyst
  486. habit = the general form or mode of growth
  487. haemagglutination = agglutination of red blood cells
  488. haematochezia = passage of stools containing blood
  489. haematogenesis = the formation of blood cells in the living body
  490. haematolysis = lysis of erythrocytes with the release of hemoglobin
  491. haematopoiesis = the formation of blood cells in the living body
  492. haemogenesis = the formation of blood cells in the living body
  493. haemolysis = lysis of erythrocytes with the release of hemoglobin
  494. haemopoiesis = the formation of blood cells in the living body
  495. hardening = the process of becoming hard or solid by cooling or drying or crystallization
  496. hatch = the production of young from an egg
  497. hatching = the production of young from an egg
  498. healing = the natural process by which the body repairs itself
  499. heat dissipation = dissipation of heat
  500. heating = the process of becoming warmer
  501. hemagglutination = agglutination of red blood cells
  502. hematochezia = passage of stools containing blood
  503. hematogenesis = the formation of blood cells in the living body
  504. hematolysis = lysis of erythrocytes with the release of hemoglobin
  505. hematopoiesis = the formation of blood cells in the living body
  506. hemimetabolism = incomplete or partial metamorphosis in insects
  507. hemimetaboly = incomplete or partial metamorphosis in insects
  508. hemimetamorphosis = incomplete or partial metamorphosis in insects
  509. hemogenesis = the formation of blood cells in the living body
  510. hemolysis = lysis of erythrocytes with the release of hemoglobin
  511. hemopoiesis = the formation of blood cells in the living body
  512. heredity = the biological process whereby genetic factors are transmitted from one generation to the next
  513. heterometabolism = development of insects with incomplete metamorphosis in which no pupal stage precedes maturity
  514. heterometaboly = development of insects with incomplete metamorphosis in which no pupal stage precedes maturity
  515. heterospory = the development of both microspores and megaspores
  516. hidrosis = the process of the sweat glands of the skin secreting a salty fluid
  517. holometabolism = complete metamorphosis in insects
  518. holometaboly = complete metamorphosis in insects
  519. homospory = the development of a single kind of asexual spores
  520. human process = a process in which human beings are involved
  521. humification = the process of the formation of humus from plant remains
  522. hydration = the process of combining with water
  523. hydrocracking = the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
  524. hydrogenation = a chemical process that adds hydrogen atoms to an unsaturated oil
  525. hydrolysis = a chemical reaction in which water reacts with a compound to produce other compounds
  526. hyperhidrosis = excessive and profuse perspiration
  527. hyperidrosis = excessive and profuse perspiration
  528. hypermenorrhea = abnormally heavy or prolonged menstruation
  529. hypersecretion = excessive secretion
  530. hypostasis = the accumulation of blood in an organ / the suppression of a gene by the effect of an unrelated gene
  531. icing = the formation of frost or ice on a surface
  532. idealisation = a defense mechanism that splits something you are ambivalent about into two representations--one good and one bad
  533. idealization = a defense mechanism that splits something you are ambivalent about into two representations--one good and one bad
  534. IDP = automatic data processing in which data acquisition and other stages or processing are integrated into a coherent system
  535. ignition = the process of initiating combustion or catching fire
  536. imbibition = the absorption of a liquid by a solid or gel
  537. immunoelectrophoresis = electrophoresis to separate antigens and antibodies
  538. implantation = the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals
  539. impregnation = the process of totally saturating something with a substance
  540. inactivation = the process of rendering inactive
  541. incontinence = involuntary urination or defecation
  542. incontinency = involuntary urination or defecation
  543. increase = a process of becoming larger or longer or more numerous or more important
  544. increment = a process of becoming larger or longer or more numerous or more important
  545. incrustation = the formation of a crust
  546. incubation = sitting on eggs so as to hatch them by the warmth of the body
  547. indentation = the formation of small pits in a surface as a consequence of corrosion
  548. induction heating = the heating of a conducting material caused by an electric current induced in it
  549. industrial process = a systematic series of mechanical or chemical operations that produce or manufacture something
  550. indweller = activation by an inner spirit or force or principle
  551. infection = the invasion of the body by pathogenic microorganisms and their multiplication which can lead to tissue damage and disease / (phonetics) the alteration of a speech sound under the influence of a neighboring sound
  552. infiltration = the slow passage of a liquid through a filtering medium
  553. inflation = a general and progressive increase in prices
  554. inflationary spiral = an episode of inflation in which prices and wages increase at an increasing rate and currency rapidly loses value
  555. inflorescence = the time and process of budding and unfolding of blossoms
  556. inflow = the process of flowing in
  557. influx = the process of flowing in
  558. infolding = the folding in of an outer layer so as to form a pocket in the surface
  559. infrigidation = the process of cooling or freezing (e.g., food) for preservative purposes
  560. infructescence = the fruiting stage of the inflorescence
  561. infusion = the process of extracting certain active properties (as a drug from a plant) by steeping or soaking
  562. inhibition = the process whereby nerves can retard or prevent the functioning of an organ or part
  563. inpour = an inflow
  564. inpouring = an inflow
  565. inrush = an inflow
  566. inspissation = the process of thickening by dehydration
  567. instruction execution = the process of carrying out an instruction by a computer
  568. insufflation = blowing air or medicated powder into the lungs
  569. integrated data processing = automatic data processing in which data acquisition and other stages or processing are integrated into a coherent system
  570. intellectualisation = a defense mechanism that uses reasoning to block out emotional stress and conflict
  571. intellectualization = a defense mechanism that uses reasoning to block out emotional stress and conflict
  572. internal combustion = the combustion of fuel inside a cylinder
  573. introversion = the folding in of an outer layer so as to form a pocket in the surface
  574. intrusion = the forcing of molten rock into fissures or between strata of an earlier rock formation
  575. intumescence = the increase in volume of certain substances when they are heated
  576. intumescency = the increase in volume of certain substances when they are heated
  577. intussusception = growth in the surface area of a cell by the deposit of new particles between existing particles in the cell wall / the folding in of an outer layer so as to form a pocket in the surface
  578. invagination = the folding in of an outer layer so as to form a pocket in the surface
  579. inversion = a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa
  580. involution = reduction in size of an organ or part
  581. iodination = the substitution or addition of iodine atoms in organic compounds
  582. ion exchange = a process in which ions are exchanged between a solution and an insoluble (usually resinous) solid
  583. ionisation = the process of ionizing
  584. ionization = the process of ionizing
  585. ionophoresis = the motion of charged particles in a colloid under the influence of an electric field
  586. irreversible process = any process that is not reversible
  587. irruption = a sudden sharp increase in the relative numbers of a population
  588. isoagglutination = agglutination of an agglutinogen of one individual by a serum from another individual of the same species
  589. isogamy = reproduction by the union or fusion of gametes of the same size and structure
  590. isolation = a defense mechanism in which memory of an unacceptable act or impulse is separated from the emotion originally associated with it
  591. iteration = executing the same set of instructions a given number of times or until a specified result is obtained / (computer science) a single execution of a set of instructions that are to be repeated
  592. juvenescence = the process of growing into a youth
  593. kainogenesis = introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
  594. karyokinesis = organic process consisting of the division of the nucleus of a cell during mitosis or meiosis
  595. karyolysis = disintegration and dissolution of a cell nucleus when a cell dies
  596. katabolism = breakdown in living organisms of more complex substances into simpler ones together with release of energy
  597. katamorphism = metamorphism that occurs at or near the earth's surface
  598. kenogenesis = introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species
  599. keratinisation = organic process by which keratin is deposited in cells and the cells become horny
  600. keratinization = organic process by which keratin is deposited in cells and the cells become horny
  601. Krebs citric acid cycle = in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy
  602. Krebs cycle = in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy
  603. lachrymation = shedding tears
  604. lacrimation = shedding tears
  605. lactation = the production and secretion of milk by the mammary glands
  606. Lamaze method = a method that prepares a mother for natural childbirth
  607. Lamaze method of childbirth = a method that prepares a mother for natural childbirth
  608. laxation = the elimination of fecal waste through the anus
  609. laying = the production of eggs
  610. leach = the process of leaching
  611. leaching = the process of leaching
  612. leafing = the process of forming leaves
  613. leak = a euphemism for urination
  614. Leboyer method = a method of childbirth that tries to minimize the trauma for the newborn
  615. Leboyer method of childbirth = a method of childbirth that tries to minimize the trauma for the newborn
  616. leeway = sideways drift
  617. leptotene = the first stage of the prophase of meiosis
  618. lexicalisation = the process of making a word to express a concept
  619. lexicalization = the process of making a word to express a concept
  620. libration = a real or apparent slow oscillation of a moon or satellite
  621. life cycle = the course of developmental changes in an organism from fertilized zygote to maturity when another zygote can be produced
  622. light reaction = the first stage of photosynthesis during which energy from light is used for the production of ATP
  623. line feed = the operation that prepares for the next character to be printed or displayed on the next line
  624. linguistic process = a process involved in human language
  625. liquefaction = the conversion of a solid or a gas into a liquid
  626. list processing = processing data that is given in the form of chained lists
  627. lithuresis = passing small stones with the urine
  628. logic operation = an operation that follows the rules of symbolic logic
  629. logical operation = an operation that follows the rules of symbolic logic
  630. lookup = an operation that determines whether one or more of a set of items has a specified property
  631. loop = a single execution of a set of instructions that are to be repeated
  632. looping = executing the same set of instructions a given number of times or until a specified result is obtained
  633. loss = gradual decline in amount or activity
  634. lymphopoiesis = the formation of lymphocytes in the bone marrow and lymph nodes and thymus and spleen
  635. lyophilisation = a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure
  636. lyophilization = a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure
  637. lysis = dissolution or destruction of cells such as blood cells or bacteria / recuperation in which the symptoms of an acute disease gradually subside
  638. lysogenisation = the process by which a bacterium acquires a phage that becomes integrated into its genome
  639. lysogenization = the process by which a bacterium acquires a phage that becomes integrated into its genome
  640. maceration = softening due to soaking or steeping
  641. machine operation = an elementary operation that a computer is designed and built to perform
  642. macroevolution = evolution on a large scale extending over geologic era and resulting in the formation of new taxonomic groups
  643. magnetic induction = the process that makes a substance magnetic
  644. magnetisation = the process that makes a substance magnetic
  645. magnetization = the process that makes a substance magnetic
  646. majority operation = a threshold operation in which each operand is 0 or 1
  647. making water = a euphemism for urination
  648. malabsorption = abnormal absorption of nutrients from the digestive tract
  649. marginalisation = the social process of becoming or being made marginal
  650. marginalization = the social process of becoming or being made marginal
  651. market forces = the interaction of supply and demand that shapes a market economy
  652. Markoff chain = a Markov process for which the parameter is discrete time values
  653. Markoff process = a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state
  654. Markov chain = a Markov process for which the parameter is discrete time values
  655. Markov process = a simple stochastic process in which the distribution of future states depends only on the present state and not on how it arrived in the present state
  656. masculinisation = the abnormal development of male sexual characteristics in a female
  657. masculinization = the abnormal development of male sexual characteristics in a female
  658. materialisation = the process of coming into being
  659. materialization = the process of coming into being
  660. maturation = the formation of morbific matter in an abscess or a vesicle and the discharge of pus / (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level / coming to full development
  661. maturement = coming to full development
  662. mechanism = the atomic process that occurs during a chemical reaction
  663. meiosis = cell division that produces reproductive cells in sexually reproducing organisms
  664. melioration = the linguistic process in which over a period of time a word grows more positive in connotation or more elevated in meaning
  665. mellowing = the process of becoming mellow
  666. melt = the process whereby heat changes something from a solid to a liquid
  667. meltdown = severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
  668. melting = the process whereby heat changes something from a solid to a liquid
  669. menorrhagia = abnormally heavy or prolonged menstruation
  670. menses = the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  671. menstruation = the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  672. menstruum = the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  673. metabolic process = the organic processes (in a cell or organism) that are necessary for life
  674. metabolism = the organic processes (in a cell or organism) that are necessary for life / the marked and rapid transformation of a larva into an adult that occurs in some animals
  675. metamorphism = change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
  676. metamorphosis = the marked and rapid transformation of a larva into an adult that occurs in some animals
  677. metaphase = the second stage of mitosis / the second stage of meiosis
  678. metastasis = the spreading of a disease (especially cancer) to another part of the body
  679. metathesis = a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB) / a linguistic process of transposition of sounds or syllables within a word or words within a sentence
  680. microevolution = evolution resulting from small specific genetic changes that can lead to a new subspecies
  681. microphoning = the transduction of sound waves into electrical waves
  682. micturition = the discharge of urine
  683. mildew = the process of becoming mildewed
  684. mineral dressing = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  685. mineral extraction = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  686. mineral processing = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  687. miosis = cell division that produces reproductive cells in sexually reproducing organisms
  688. mitosis = cell division in which the nucleus divides into nuclei containing the same number of chromosomes
  689. mold = the process of becoming mildewed
  690. molt = periodic shedding of the cuticle in arthropods or the outer skin in reptiles
  691. molting = periodic shedding of the cuticle in arthropods or the outer skin in reptiles
  692. monadic operation = an operation with exactly one operand
  693. monogenesis = asexual reproduction by the production and release of spores
  694. morphallaxis = regeneration on a reduced scale of a body part
  695. morphogenesis = differentiation and growth of the structure of an organism
  696. mould = the process of becoming mildewed
  697. moult = periodic shedding of the cuticle in arthropods or the outer skin in reptiles
  698. moulting = periodic shedding of the cuticle in arthropods or the outer skin in reptiles
  699. movement = a euphemism for defecation
  700. multiplex operation = an operation in which two or more activities are interleaved
  701. multiplication = a multiplicative increase
  702. multiprocessing = simultaneous processing by two or more processing units
  703. multiprogramming = the execution of two or more computer programs by a single computer
  704. myelinisation = the development of a myelin sheath around a nerve fiber
  705. myelinization = the development of a myelin sheath around a nerve fiber
  706. narrowing = a decrease in width
  707. natural action = a process existing in or produced by nature
  708. natural childbirth = labor and childbirth without medical intervention
  709. natural process = a process existing in or produced by nature
  710. natural selection = a natural process resulting in the evolution of organisms best adapted to the environment
  711. Nazification = social process of adopting (or being forced to adopt) Nazism
  712. necrolysis = disintegration and dissolution of dead tissue
  713. negative feedback = feedback in opposite phase with (decreasing) the input
  714. neoplasia = the pathological process that results in the formation and growth of a tumor
  715. neurogenesis = the development of nerve tissues
  716. neutralisation = a chemical reaction in which an acid and a base interact with the formation of a salt
  717. neutralisation reaction = a chemical reaction in which an acid and a base interact with the formation of a salt
  718. neutralization = a chemical reaction in which an acid and a base interact with the formation of a salt
  719. neutralization reaction = a chemical reaction in which an acid and a base interact with the formation of a salt
  720. new line = the operation that prepares for the next character to be printed or displayed as the first character on the next line
  721. nidation = the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals
  722. nitrification = the oxidation of ammonium compounds in dead organic material into nitrates and nitrites by soil bacteria (making nitrogen available to plants) / the chemical process in which a nitro group is added to an organic compound
  723. nitrogen cycle = the circulation of nitrogen
  724. nitrogen fixation = the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
  725. nocturia = excessive urination at night
  726. nocturnal emission = ejaculation during sleep
  727. nondevelopment = failure of normal development to occur
  728. nondisjunction = meiosis in which there is a failure of paired homologous chromosomes to separate
  729. nosedive = a sudden sharp drop or rapid decline
  730. nuclear fission = a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
  731. nuclear fusion = a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
  732. nuclear fusion reaction = a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy
  733. nuclear meltdown = severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
  734. nuclear reaction = a process that alters the energy or structure or composition of atomic nuclei
  735. nucleosynthesis = the cosmic synthesis of atoms more complex than the hydrogen atom
  736. nutrition = the organic process of nourishing or being nourished
  737. nycturia = excessive urination at night
  738. obsolescence = the process of becoming obsolete
  739. odontiasis = the eruption through the gums of baby teeth
  740. off-line operation = a operation performed by off-line equipment not under the control of the central processing unit
  741. oligomenorrhea = abnormally light or infrequent menstruation
  742. oliguria = production of an abnormally small amount of urine
  743. omission = any process whereby sounds or words are left out of spoken words or phrases
  744. ontogenesis = the process of an individual organism growing organically
  745. ontogeny = the process of an individual organism growing organically
  746. oogenesis = development of ova
  747. opacification = the process of becoming cloudy or opaque
  748. open-hearth process = a process for making steel using an open-hearth furnace
  749. operation = data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction) / process or manner of functioning or operating
  750. opsonisation = process whereby opsonins make an invading microorganism more susceptible to phagocytosis
  751. opsonization = process whereby opsonins make an invading microorganism more susceptible to phagocytosis
  752. ore dressing = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  753. ore processing = crushing and separating ore into valuable substances or waste by any of a variety of techniques
  754. organic evolution = the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
  755. organic process = a process occurring in living organisms
  756. organification = the process of organ formation
  757. origin = the source of something's existence or from which it derives or is derived
  758. orogeny = the process of mountain formation
  759. oscillation = the process of oscillating between states
  760. osmosis = diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
  761. ossification = the developmental process of bone formation / the process of becoming rigidly fixed in a conventional pattern of thought or behavior / the calcification of soft tissue into a bonelike material
  762. osteolysis = lysis of bone caused by disease or infection or inadequate blood supply
  763. outflow = the process of flowing out
  764. overactivity = excessive activity
  765. overcompensation = an attempt to overcome a real or imagined defect or unwanted trait by overly exaggerating its opposite
  766. overflow incontinence = urinary incontinence that occurs when the bladder is so full that it continually leaks urine
  767. overheating = excessive heating
  768. ovulation = the expulsion of an ovum from the ovary
  769. oxidation = the process of oxidizing; the addition of oxygen to a compound with a loss of electrons
  770. oxidation-reduction = a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
  771. oxidative phosphorylation = an enzymatic process in cell metabolism that synthesizes ATP from ADP
  772. oxidisation = the process of oxidizing; the addition of oxygen to a compound with a loss of electrons
  773. oxidization = the process of oxidizing; the addition of oxygen to a compound with a loss of electrons
  774. oxidoreduction = a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
  775. oxygenation = the process of providing or combining or treating with oxygen
  776. pachytene = the third stage of the prophase of meiosis
  777. pair creation = the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
  778. pair formation = the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
  779. pair production = the transformation of a gamma-ray photon into an electron and a positron when the photon passes close to an atomic nucleus
  780. palingenesis = emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species
  781. paper chromatography = chromatography that uses selective adsorption on a strip of paper
  782. paper electrophoresis = electrophoresis carried out on filter paper
  783. parallel operation = the simultaneous execution of two or more operations
  784. parallel processing = simultaneous processing by two or more processing units
  785. parthenocarpy = the development of a fruit without fertilization or seeds
  786. parthenogenesis = process in which an unfertilized egg develops into a new individual
  787. parthenogeny = process in which an unfertilized egg develops into a new individual
  788. parturition = the process of giving birth
  789. passing water = a euphemism for urination
  790. passive transport = transport of a substance across a cell membrane by diffusion
  791. pathogenesis = the origination and development of a disease
  792. pathologic process = an organic process occurring as a consequence of disease
  793. pathological process = an organic process occurring as a consequence of disease
  794. peace process = any social process undertaken by governments who want their citizens to believe they are trying to avoid armed hostilities
  795. pee = informal terms for urination
  796. peeing = informal terms for urination
  797. peptisation = the process of converting to a sol
  798. peptization = the process of converting to a sol
  799. percolation = the slow passage of a liquid through a filtering medium
  800. perennation = the process of living through a number of years
  801. performance = process or manner of functioning or operating
  802. period = the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
  803. peristalsis = the process of wavelike muscle contractions of the alimentary tract that moves food along
  804. permeation = the process of permeating or infusing something with a substance
  805. perspiration = the process of the sweat glands of the skin secreting a salty fluid
  806. pervasion = the process of permeating or infusing something with a substance
  807. petrifaction = the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape
  808. petrification = the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape
  809. phagocytosis = process in which phagocytes engulf and digest microorganisms and cellular debris
  810. phase change = a change from one state (solid or liquid or gas) to another without a change in chemical composition
  811. phase of cell division = a stage in meiosis or mitosis
  812. phase transition = a change from one state (solid or liquid or gas) to another without a change in chemical composition
  813. photochemical reaction = a chemical reaction produced by the action of light
  814. photoelectric emission = the release or absorption of quanta above a certain energy level
  815. photography = the process of producing images of objects on photosensitive surfaces
  816. photomechanics = the process whereby printing surfaces (plates or cylinders) are produced by photographic methods
  817. photoplate making = the process whereby printing surfaces (plates or cylinders) are produced by photographic methods
  818. photosynthesis = synthesis of compounds with the aid of radiant energy
  819. phylogenesis = the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
  820. phylogeny = the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms
  821. physical change = a change from one state (solid or liquid or gas) to another without a change in chemical composition
  822. pigmentation = the deposition of pigment in animals or plants or human beings
  823. pinocytosis = process by which certain cells can engulf and incorporate droplets of fluid
  824. piss = informal terms for urination
  825. pissing = informal terms for urination
  826. pitting = the formation of small pits in a surface as a consequence of corrosion
  827. placentation = the formation of the placenta in the uterus
  828. planation = the process of erosion whereby a level surface is produced
  829. plastination = a process involving fixation and dehydration and forced impregnation and hardening of biological tissues
  830. polyhidrosis = excessive and profuse perspiration
  831. polymerisation = a chemical process that combines several monomers to form a polymer or polymeric compound
  832. polymerization = a chemical process that combines several monomers to form a polymer or polymeric compound
  833. population growth = increase in the number of people who inhabit a territory or state
  834. positive feedback = feedback in phase with (augmenting) the input
  835. potentiation = the synergistic effect of two drugs given simultaneously
  836. powder method = a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays
  837. powder photography = a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays
  838. powder technique = a process for identifying minerals or crystals; a small rod is coated with a powdered form of the substance and subjected to suitably modified X-rays
  839. precession of the equinoxes = a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation
  840. prechlorination = chlorination prior to another chemical process
  841. precipitation = the process of forming a chemical precipitate
  842. precocious dentition = teething at an earlier age than expected
  843. premature ejaculation = ejaculation during the early stages of sexual excitement or soon after the insertion of the penis into the vagina
  844. preservation = a process that saves organic substances from decay
  845. printing operation = an operation that controls the printing or display of information
  846. priority processing = data processing in which the operations performed are determined by a system of priorities
  847. processing = preparing or putting through a prescribed procedure
  848. professionalisation = the social process whereby people come to engage in an activity for pay or as a means of livelihood
  849. professionalization = the social process whereby people come to engage in an activity for pay or as a means of livelihood
  850. projection = a defense mechanism by which your own traits and emotions are attributed to someone else
  851. proliferation = growth by the rapid multiplication of parts / a rapid increase in number
  852. prophase = the first stage of mitosis / the first stage of meiosis
  853. protein folding = the process whereby a protein molecule assumes its intricate three-dimensional shape
  854. proteolysis = the hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bonds
  855. psilosis = falling out of hair
  856. psychoanalytic process = a process that is assumed to occur in psychoanalytic theory
  857. psychogenesis = a general term for the origin and development of almost any aspect of the mind / the development in the life of an individual of some disorder that is caused by psychological rather than physiological factors
  858. psychomotor development = progressive acquisition of skills involving both mental and motor activities
  859. psychosexual development = the process during which personality and sexual behavior mature through a series of stages: first oral stage and then anal stage and then phallic stage and then latency stage and finally genital stage
  860. ptyalism = excessive flow of saliva
  861. pullulation = a rapid and abundant increase / asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual
  862. purification = the process of removing impurities
  863. putrefaction = the process of decay caused by bacterial or fungal action
  864. pyrochemical process = processes for chemical reactions at high temperatures
  865. pyrochemistry = processes for chemical reactions at high temperatures
  866. quadrupling = increase by a factor of four
  867. quellung = the swelling of the capsule surrounding a microorganism after reaction with an antibody
  868. quellung reaction = the swelling of the capsule surrounding a microorganism after reaction with an antibody
  869. quickening = the process of showing signs of life
  870. quintupling = increasing by a factor of five
  871. radiant heating = heating a building by radiation from panels containing hot water or electrical heaters
  872. radiation = the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  873. radioactive decay = the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  874. radioactivity = the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay
  875. radiography = the process of making a radiograph
  876. radiolysis = molecular disintegration resulting from radiation
  877. rain-wash = the washing away of soil or other loose material by rain
  878. rally = a marked recovery of strength or spirits during an illness
  879. random walk = a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance
  880. rationalisation = a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
  881. rationalization = a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening
  882. re-uptake = a process of using up or consuming again
  883. reabsorption = the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
  884. reaction = a process in which one or more substances are changed into others
  885. reaction formation = a defense mechanism in which a person unconsciously develops attitudes and behavior that are the opposite of unacceptable repressed desires and impulses and serve to conceal them
  886. Read method = a method of natural childbirth that assumes it is a normal process and that the pain is largely psychological
  887. Read method of childbirth = a method of natural childbirth that assumes it is a normal process and that the pain is largely psychological
  888. real-time operation = data processing fast enough to keep up with an outside process
  889. real-time processing = data processing fast enough to keep up with an outside process
  890. recapitulation = emergence during embryonic development of various characters or structures that appeared during the evolutionary history of the strain or species
  891. recovery = gradual healing (through rest) after sickness or injury
  892. rectification = the process of refinement or purification of a substance by distillation
  893. recuperation = gradual healing (through rest) after sickness or injury
  894. redeposition = deposition from one deposit to another
  895. redox = a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
  896. reducing = loss of excess weight (as by dieting); becoming slimmer / any process in which electrons are added to an atom or ion
  897. reduction = any process in which electrons are added to an atom or ion
  898. reduction division = cell division that produces reproductive cells in sexually reproducing organisms
  899. refilling = filling again by supplying what has been used up
  900. refinement = the process of removing impurities
  901. refining = the process of removing impurities
  902. reflation = inflation of currency after a period of deflation
  903. refrigeration = the process of cooling or freezing (e.g., food) for preservative purposes
  904. regeneration = feedback in phase with (augmenting) the input / (biology) growth anew of lost tissue or destroyed parts or organs
  905. regression = a defense mechanism in which you flee from reality by assuming a more infantile state
  906. regulation = the ability of an early embryo to continue normal development after its structure has been somehow damaged or altered
  907. relaxation = the exponential return of a system to equilibrium after a disturbance / (physiology) the gradual lengthening of inactive muscle or muscle fibers
  908. relaxation behavior = the exponential return of a system to equilibrium after a disturbance
  909. release = a process that liberates or discharges something
  910. remote-access data processing = data processing in which some of the functions are performed in different places and connected by transmission facilities
  911. renewal = filling again by supplying what has been used up
  912. replacement = filling again by supplying what has been used up
  913. replenishment = filling again by supplying what has been used up
  914. replication = the process whereby DNA makes a copy of itself before cell division
  915. repression = the classical defense mechanism that protects you from impulses or ideas that would cause anxiety by preventing them from becoming conscious
  916. reproduction = the process of generating offspring
  917. resorption = the organic process in which the substance of some differentiated structure that has been produced by the body undergoes lysis and assimilation
  918. reticulation = the formation of a network of cracks or wrinkles in a photographic emulsion
  919. retrieval = the operation of accessing information from the computer's memory
  920. reuptake = a process of using up or consuming again
  921. reverse osmosis = a method of producing pure water
  922. reversible process = any process in which a system can be made to pass through the same states in the reverse order when the process is reversed
  923. rigidification = the process of becoming stiff or rigid
  924. rigidifying = the process of becoming stiff or rigid
  925. rigor mortis = muscular stiffening that begins 2 to 4 hours after death and lasts for about 4 days
  926. ripening = coming to full development
  927. rising prices = a general and progressive increase in prices
  928. Riss glaciation = the next-to-last Pleistocene glaciation in the Alps and the deposits laid down at that time
  929. rooting = the process of putting forth roots and beginning to grow
  930. rot = the process of decay caused by bacterial or fungal action
  931. rotting = the process of decay caused by bacterial or fungal action
  932. roughness = the formation of small pits in a surface as a consequence of corrosion
  933. ruin = the process of becoming dilapidated
  934. rust = the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
  935. rusting = the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
  936. Saale glaciation = the next-to-last Pleistocene glaciation in northern Europe and the deposits laid down at that time
  937. salivation = the secretion of saliva
  938. saltation = the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
  939. sanguification = the formation of blood cells in the living body
  940. saponification = a chemical reaction in which an ester is heated with an alkali
  941. saturation = the process of totally saturating something with a substance
  942. scanning = the process of translating photographs into a digital form that can be recognized by a computer
  943. scattering = the physical process in which particles are deflected haphazardly as a result of collisions
  944. schizogony = asexual reproduction by multiple fission
  945. search = an operation that determines whether one or more of a set of items has a specified property
  946. secernment = the organic process of synthesizing and releasing some substance
  947. secondary emission = the emission of electrons from a surface that is bombarded by higher energy primary electrons
  948. secretion = the organic process of synthesizing and releasing some substance
  949. segmentation = the repeated division of a fertilised ovum
  950. segregation = the separation of paired alleles during meiosis so that members of each pair of alleles appear in different gametes
  951. selection = a natural process resulting in the evolution of organisms best adapted to the environment
  952. self-digestion = lysis of plant or animal tissue by an internal process
  953. senescence = the organic process of growing older and showing the effects of increasing age
  954. sensitisation = the process of becoming highly sensitive to specific events or situations
  955. sensitization = the process of becoming highly sensitive to specific events or situations
  956. sequential operation = the sequential execution of operations one after another
  957. sequestration = the action of forming a chelate or other stable compound with an ion or atom or molecule so that it is no longer available for reactions
  958. serial operation = the sequential execution of operations one after another
  959. serial processing = sequential processing by two or more processing units
  960. sericulture = raising silkworms in order to obtain raw silk
  961. set = the process of becoming hard or solid by cooling or drying or crystallization
  962. sexual reproduction = reproduction involving the union or fusion of a male and a female gamete
  963. shaping = any process serving to define the shape of something
  964. shedding = the process whereby something is shed
  965. shit = a coarse term for defecation
  966. shitting = the elimination of fecal waste through the anus
  967. simultaneous operation = the simultaneous execution of two or more operations
  968. sink = a process that acts to absorb or remove energy or a substance from a system
  969. sinking spell = a temporary decline in health or value
  970. skiagraphy = the process of making a radiograph
  971. slack = a noticeable deterioration in performance or quality
  972. slippage = a decrease of transmitted power in a mechanical system caused by slipping / decline from a standard level of performance or achievement
  973. sloughing = the process whereby something is shed
  974. slump = a noticeable deterioration in performance or quality
  975. smoke = a hot vapor containing fine particles of carbon being produced by combustion
  976. smoking = a hot vapor containing fine particles of carbon being produced by combustion
  977. soak = the process of becoming softened and saturated as a consequence of being immersed in water
  978. soakage = the process of becoming softened and saturated as a consequence of being immersed in water
  979. soaking = the process of becoming softened and saturated as a consequence of being immersed in water
  980. soaking up = a process in which one substance permeates another
  981. social process = a process involved in the formation of groups of persons
  982. softening = the process of becoming softer
  983. soil erosion = the washing away of soil by the flow of water
  984. solidification = the process of becoming hard or solid by cooling or drying or crystallization
  985. solidifying = the process of becoming hard or solid by cooling or drying or crystallization
  986. solvation = a chemical process in which solvent molecules and molecules or ions of the solute combine to form a compound
  987. Solvay process = an industrial process for producing sodium carbonate from sodium chloride and ammonia and carbon dioxide
  988. sorption = the process in which one substance takes up or holds another
  989. sort = an operation that segregates items into groups according to a specified criterion
  990. sorting = an operation that segregates items into groups according to a specified criterion
  991. source = a process by which energy or a substance enters a system
  992. souring = the process of becoming sour
  993. spallation = a nuclear reaction in which a bombarded nucleus breaks up into many particles
  994. specialisation = the structural adaptation of some body part for a particular function
  995. specialization = the structural adaptation of some body part for a particular function
  996. speciation = the evolution of a biological species
  997. spermatogenesis = development of spermatozoa
  998. spiral = a continuously accelerating change in the economy
  999. spoilage = the process of becoming spoiled
  1000. spoiling = the process of becoming spoiled
  1001. spontaneous combustion = ignition of a substance (as oily rags) resulting from an internal oxidation process
  1002. sporulation = asexual reproduction by the production and release of spores
  1003. sprouting = the process whereby seeds or spores sprout and begin to grow
  1004. stagflation = a period of slow economic growth and high unemployment (stagnation) while prices rise
  1005. Stalinisation = social process of adopting (or being forced to adopt) the policies and practices of Joseph Stalin
  1006. Stalinization = social process of adopting (or being forced to adopt) the policies and practices of Joseph Stalin
  1007. state change = a change from one state (solid or liquid or gas) to another without a change in chemical composition
  1008. stationary stochastic process = a stochastic process in which the distribution of the random variables is the same for any value of the variable parameter
  1009. steel production = making steel from pig iron
  1010. stiffening = the process of becoming stiff or rigid
  1011. stimulation = the effect of a stimulus
  1012. stochastic process = a statistical process involving a number of random variables depending on a variable parameter
  1013. storage = the process of storing information in a computer memory or on a magnetic tape or disk
  1014. stovepiping = retrieval of information from unconnected databases; the situation that exists when it is necessary to climb out of one database in order to climb down into another
  1015. stratification = forming or depositing in layers
  1016. stress incontinence = urinary incontinence that occurs when involuntary pressure is put on the bladder by coughing or laughing or sneezing or lifting or straining
  1017. subduction = a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
  1018. succession = the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
  1019. sudation = the process of the sweat glands of the skin secreting a salty fluid
  1020. suffusion = the process of permeating or infusing something with a substance
  1021. summation = the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce
  1022. superposition = the deposition of one geological stratum on another
  1023. supply = offering goods and services for sale
  1024. suppression = the failure to develop some part or organ
  1025. suppuration = the formation of morbific matter in an abscess or a vesicle and the discharge of pus
  1026. surface assimilation = the accumulation of molecules of a gas to form a thin film on the surface of a solid
  1027. survival = a natural process resulting in the evolution of organisms best adapted to the environment
  1028. survival of the fittest = a natural process resulting in the evolution of organisms best adapted to the environment
  1029. sweating = the process of the sweat glands of the skin secreting a salty fluid
  1030. swelling = the increase in volume of certain substances when they are heated
  1031. symphysis = a growing together of parts or structures
  1032. synaeresis = the separation of liquid from a gel that is caused by contraction (as in cheese making) / the contraction of two vowels into a diphthong
  1033. synapsis = the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis
  1034. synchronous operation = operations that are initiated predictably by a clock
  1035. syncretism = the fusion of originally different inflected forms
  1036. syneresis = the separation of liquid from a gel that is caused by contraction (as in cheese making) / the contraction of two vowels into a diphthong
  1037. synergism = the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects
  1038. synergy = the working together of two things (muscles or drugs for example) to produce an effect greater than the sum of their individual effects
  1039. synezesis = the contraction of chromatin towards one side of the nucleus during the prophase of meiosis
  1040. synizesis = the contraction of chromatin towards one side of the nucleus during the prophase of meiosis
  1041. synthesis = the process of producing a chemical compound
  1042. tanning = process in which skin pigmentation darkens as a result of exposure to ultraviolet light
  1043. tearing = shedding tears
  1044. teething = the eruption through the gums of baby teeth
  1045. teleprocessing = data processing in which some of the functions are performed in different places and connected by transmission facilities
  1046. telophase = the final stage of mitosis / the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle
  1047. temperature change = a process whereby the degree of hotness of a body (or medium) changes
  1048. temperature reduction = the process of becoming cooler
  1049. teratogenesis = the development of defects in an embryo
  1050. thaw = the process whereby heat changes something from a solid to a liquid
  1051. thawing = the process whereby heat changes something from a solid to a liquid
  1052. thermal emission = the emission of electrons from very hot substances
  1053. thermionic emission = the emission of electrons from very hot substances
  1054. thermocoagulation = congealing tissue by heat
  1055. thermonuclear reaction = a nuclear fusion reaction taking place at very high temperatures
  1056. threshold operation = an operation performed on operands in order to obtain the value of a threshold function
  1057. thrombolysis = the process of breaking up and dissolving blood clots
  1058. tooth decay = soft decayed area in a tooth
  1059. top fermentation = a violent kind of alcoholic fermentation at a temperature high enough to carry the yeast cells to the top of the fermenting liquid
  1060. transamination = the process of transfering an amino group from one compound to another / the process of transposing an amino group within a chemical compound
  1061. transcription = the organic process whereby the DNA sequence in a gene is copied into mRNA
  1062. transduction = the process whereby a transducer accepts energy in one form and gives back related energy in a different form / (genetics) the process of transfering genetic material from one cell to another by a plasmid or bacteriophage
  1063. translation = the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm
  1064. translocation = an exchange of chromosome parts / the transport of dissolved material within a plant
  1065. transpiration = the emission of water vapor from the leaves of plants / the passage of gases through fine tubes because of differences in pressure or temperature / the process of giving off or exhaling water vapor through the skin or mucous membranes
  1066. transport = an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
  1067. tricarboxylic acid cycle = in all plants and animals: a series of enzymatic reactions in mitochondria involving oxidative metabolism of acetyl compounds to produce high-energy phosphate compounds that are the source of cellular energy
  1068. tripling = increase by a factor of three
  1069. tumefaction = the process of tumefying
  1070. ulceration = the process of ulcer formation
  1071. ultracentrifugation = centrifugation at very high speeds
  1072. unary operation = an operation with exactly one operand
  1073. underdevelopment = inadequate processing of film resulting in inadequate contrast
  1074. unfolding = a developmental process
  1075. union = healing process involving the growing together of the edges of a wound or the growing together of broken bones
  1076. uptake = a process of taking up or using up or consuming
  1077. urbanisation = the social process whereby cities grow and societies become more urban
  1078. urbanization = the social process whereby cities grow and societies become more urban
  1079. urge incontinence = urinary incontinence that is generally attributable to involuntary contracts of the bladder muscle resulting in an urgent need to urinate accompanied by a sudden loss of urine
  1080. urinary incontinence = inability to control the flow of urine and involuntary urination
  1081. urination = the discharge of urine
  1082. urochesia = passage of urine from the anus
  1083. urochezia = passage of urine from the anus
  1084. usance = the utilization of economic goods to satisfy needs or in manufacturing
  1085. use = the utilization of economic goods to satisfy needs or in manufacturing
  1086. use of goods and services = the utilization of economic goods to satisfy needs or in manufacturing
  1087. vaginal birth = the parturition process in human beings; having a baby
  1088. vapor = the process of becoming a vapor
  1089. vaporisation = the process of becoming a vapor
  1090. vaporization = the process of becoming a vapor
  1091. vapour = the process of becoming a vapor
  1092. variation = the process of varying or being varied
  1093. vascularisation = the organic process whereby body tissue becomes vascular and develops capillaries
  1094. vascularization = the organic process whereby body tissue becomes vascular and develops capillaries
  1095. vegetation = the process of growth in plants
  1096. vermiculation = the process of wavelike muscle contractions of the alimentary tract that moves food along
  1097. vesication = the formation of vesicles in or beneath the skin
  1098. vesiculation = the formation of vesicles in or beneath the skin
  1099. vicious circle = one trouble leads to another that aggravates the first
  1100. vicious cycle = one trouble leads to another that aggravates the first
  1101. video digitizing = the process of capturing and converting and storing video images for use by a computer
  1102. vinification = the process whereby fermentation changes grape juice into wine
  1103. virgin birth = human conception without fertilization by a man
  1104. virilisation = the abnormal development of male sexual characteristics in a female
  1105. virilization = the abnormal development of male sexual characteristics in a female
  1106. vitrification = the process of becoming vitreous
  1107. voiding = the bodily process of discharging waste matter
  1108. vulcanisation = process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them
  1109. vulcanization = process of treating rubber or rubberlike materials with sulphur at great heat to improve elasticity and strength or to harden them
  1110. wane = a gradual decline
  1111. warming = the process of becoming warmer
  1112. wash = the erosive process of washing away soil or gravel by water
  1113. washout = the erosive process of washing away soil or gravel by water
  1114. wastage = the process of wasting
  1115. watering = shedding tears
  1116. wearing = the mechanical process of wearing or grinding something down
  1117. wearing away = the mechanical process of wearing or grinding something down
  1118. Westernisation = assimilation of Western culture
  1119. Westernization = assimilation of Western culture
  1120. wetting = a euphemism for urination
  1121. widening = an increase in width
  1122. Wolstonian glaciation = the next-to-last Pleistocene glaciation in Britain and the deposits laid down at that time
  1123. word processing = rapid and efficient processing (storage and printing) of linguistic data for composition and editing
  1124. worsening = process of changing to an inferior state
  1125. zygotene = the second stage of the prophase of meiosis
  1126. zymolysis = a process in which an agent causes an organic substance to break down into simpler substances
  1127. zymosis = the development and spread of an infectious disease (especially one caused by a fungus) / a process in which an agent causes an organic substance to break down into simpler substances

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