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Video footage: Ephedra americana a prostrate gymnosperm shrub, source of the alkaloid Ephedrine
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Definition of the noun alkaloid

What does alkaloid mean as a name of something?

noun - plural: alkaloids

  1. natural bases containing nitrogen found in plants
    • example: Daffodils contain a toxic alkaloid that may even be lethal when ingested in high quantities.
    • lexical domain: Substances - nouns denoting substances
    • more generic term: organic compound = any compound of carbon and another element or a radical
    • more specific words:
      • atropine = a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil
      • hyoscyamine = a poisonous crystalline alkaloid
      • pilocarpine = cholinergic alkaloid used in eyedrops to treat glaucoma
      • scopolamine / hyoscine = an alkaloid with anticholinergic effects that is used as a sedative and to treat nausea and to dilate the pupils in ophthalmic procedures
      • physostigmine = used in treatment of Alzheimer's disease and glaucoma
      • cinchonine = an alkaloid derivative of the bark of cinchona trees that is used as an antimalarial drug
      • ephedrine = white odorless powdered or crystalline alkaloid from plants of the genus Ephedra (especially Ephedra sinica) or made synthetically
      • ergotamine = an alkaloid derived from ergot that is less toxic than ergot
      • pseudoephedrine = poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it
      • nicotine = an alkaloid poison that occurs in tobacco
      • strychnine = an alkaloid plant toxin extracted chiefly from nux vomica
      • brucine = a bitter alkaloid poison resembling strychnine and extracted from nux vomica
      • betaine = a sweet tasting alkaloid that occurs in sugar beets
      • caffeine / caffein = a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
      • rauwolfia = any of several alkaloids extracted from the shrub Rauwolfia serpentina
      • tubocurarine / curare = a toxic alkaloid found in certain tropical South American trees that is a powerful relaxant for striated muscles


Alkaloid is a company from the Republic of Macedonia working on manufacturing drugs, processing botanical raw material and manufacturing cosmetics and chemical products for more than seven decades. “Alkaloid” is a joint-stock company which incorporates two profit centers: Pharmacy and Chemistry; Cosmetics and Botanicals; it has a subsidiary: “Alkaloid CONS”, as well as 13 affiliates outside of the Republic of Macedonia. The company has around 1.300 employees with a dominant capital owned by private shareholders, 5,05% of which are foreign investors.


Alkaloid is a musical group.

  • album: "The Malkuth Grimoire"


Alkaloid: A family or group of nitrogen-containing base compounds primarily derived from plant and animal sources. Many alkaloids are used medicinally, including cancer therapy.

Phrases with Alkaloid

  1. Opium Alkaloid
  2. Morphine Alkaloid
  3. Nicotine Alkaloid

Printed dictionaries and other books with definitions for Alkaloid

Click on a title to look inside that book (if available):

Google previewMedicinal Plants (2006)

Chemistry and Properties by M Daniel

The term 'alkaloid' means 'alkali-like substance'. A typical alkaloid is a basic plant product possessing a nitrogen-containing heterocyclic ring system and exhibiting marked pharmacological activity. Alkaloids form a very heterogeneous group.

Google previewThe Lancet (1892)

The anthrax alkaloid is an amorphous yellow body with an alkaline reaction, soluble in alcohol and in amyl alcohol, and precipitated by many reagents which throw...

The albumoses are the fever producers; the alkaloid is the coma producer.

Google previewBritish Medical Journal (1892)

The anthrax alkaloid is an amo hous (yellow body with an alkaline reaction, soluble in alco 01 an in amyl-alcohol, and...

Google previewPharmacology of Oriental Plants (2016)

Proceedings of the First International Pharmacological Meeting, Stockholm, 22-25 August, 1961 by K. K. Chen, B. Mukerji

The latter alkaloid is the more active antihypertensive agent. Hypotensive alkaloids have been obtained from other species of Chinese Veratrum. The relative potency of the total alkaloids from the three Chinese species appears in the order of ...

Google previewInflammation: Natural Resources and Its Applications (2014)

by Parag Jain, Ravindra Pandey, Shiv Shankar Shukla

Alkaloid is a group of biological amine and cyclic compounds having nitrogen in the ring, naturally occurring in plant, microbes, animals, and marine organisms. Many plants, including the Amazon bark cats' claw (Uncaria tomentosa) and the ...

Google previewBrain-Robbers: How Alcohol, Cocaine, Nicotine, and Opiates Have Changed Human History (2014)

by Frances R. Frankenburg MD

(An alkaloid is a bitter-tasting chemical found in plants and other organisms.) This story involves the Spanish discovery and then destruction of the Incan Empire, explorers, the need for local anesthesia, and the young, ambitious Viennese ...

Google previewTrail of Feathers (2012)

In Search of the Birdmen of Peru by Tahir Shah

The harmaline alkaloid is a monoamine oxidase ( MAO) inhibitor. Essentially, this means that it stops the digestive tract from screening ...

Google previewBreaking the Curse from a Twisted Life (2012)

Bad Habits, Addictions, and the Generational Curse by Frank Turner Jr

Alkaloid is an addictive organic chemical that also is found in morphine, cocaine, quinine, cafleine, strychnine, serotonin, and LSD. Habitual tobacco use can cause chronic bronchitis, emphysema, heart disease, stroke, and several cancers .

Google previewVegetables for Health and Healing (2008)

Alkali is an inorganic substance while alkaloid is an organic substance. Alkaloids are complicated chemical structures containing nirrogen. Many alkaloids are toxic, some are narcotic, others are medicinals used for treating coughs, muscular ...

Google previewTheory and Practice of Psychiatry (2003)

by Bruce J. Cohen

The reason for separating out the alkaloid is that it has a lower volatile temperature than cocaine hydrochloride. This allows it to be smoked without destroying its psychoactive properties. A simpler process is to produce crack cocaine. Here ...

Google previewIntracellular Calcium (2014)

by Anthony K. Campbell

An alkaloid is a generic term used to describe a wide range of substances produced by bacteria, plants, fungi and animal cells, usually with a minimum of C, H and N atoms. It is derived from the Greek = alkaline ash of plants. The most famous ...

Google previewDictionary of Alkaloids, Second Edition with CD-ROM (2010)

by John Buckingham, Keith H. Baggaley, Andrew D. Roberts, Laszlo F. Szabo

T-2 Tabernaelegantidine Bisindole alkaloid (Iboga- vobasine type). Struct. unknown. Alkaloid from Tabernaemontana elegans ( Apocynaceae).

Google previewDictionary of Natural Products, Supplement 4 (1997)

by John Buckingham

Alkaloid from leaves of Medicosma fareana. Gum. [a]D —2 (с, 0.7 in СНС13). Appears to be a degradn. prod. of an acridone precursor. Habtemariam, S. et al, ...

Google previewCRC Dictionary of Agricultural Sciences (2001)

by Robert Alan Lewis

2: the term alkaloid is reserved by some authorities for nitrogen-containing heterocyclic or aromatic compounds with pharmacologic activity and the general properties of amines. 3: any of certain synthetic compounds (e.g., procaine) with ...

Google previewLewis' Dictionary of Toxicology (1998)

by Robert Alan Lewis

alkaliphobic alkaloid (continued) alkaliphobic. avoiding or intolerant of alkaline habitats or conditions. Cf. alkaloduric. alkaliphoby. the condition or state of avoiding or being highly intolerant of alkaline habitats or environments. alkalization ...

Google previewDictionary of the Active Principles of Plants (1894)

Alkaloids; Bitter Principles; Glucosides: Their Sources, Nature, and Chemical Characteristics, with Tabular Summary, Classification of Reactions, and Full Botanical and General Indexes by Charles E. Sohn

alkaloid, sol. ether. ,, arborea, alkaloid. sol. ether, and substance possibly (0). ,, (Calpicarpum) Roxburghii, a tetanus- producing alkaloid, dlifering from above. . Kopsia (Calpicarpum) albifiorum, contains ...

Google previewDictionary of the Active Principles of Plants: Alkaloids (1894)

Bitter Principles; Glucosides; Their Sources, Nature, and Chemical Characteristics by Charles E. Sohn

and a poisonous alkaloid, possibly (rf). 8. Kopsia flavida, Bl., seeds. lSo per cent. alkaloid, sol. ether. 9. „ arborea ...

Google previewA dictionary of chemistry (1863)

by Henry Watts

If, after the evaporation of the ether, slight streaks of liquid appear on the side of the capsule, and run together slowly to the bottom of it, a liquid and volatile alkaloid is probably present. If this be the case, the warmth of the hand will be sufficient ...

Google previewA Dictionary of Chemistry and the Allied Branches of Other Sciences (1879)

by Henry Watts

bottom of it, a liquid and volatile alkaloid is probably present. If this be the case, the warmth of the hand will be ...

Google previewPocket Medical Dictionary (1999)

by B. Jain Publishers Staff

An alkaloid from quebracho. QUINOIDIN Quebrachin, ke-brah'-kin. An alkaloid from quebracho. Quebracho, ke-brah'-ko.

Google previewDictionary of Nutrition and Food Technology (2016)

by Arnold E. Bender

theobromine Dimethylxanthine, an alkaloid ...

Google previewBlack's Veterinary Dictionary (2015)

Signs The toxic agent is an alkaloid called cystine ...

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Photos about Alkaloid

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Small photo of poppy flower, also know as Opium plant, its seed can produce alkaloid substance which introducing morphine in post process. isolated on whiteSmall photo of poppy flower, also know as Opium plant, its seed can produce alkaloid substance which introducing morphine in post process.Small photo of SANAA,YEMEN - MARCH 14, 2010: Unidentified dealers of Khat (Catha Edulis) shown in Sanaa, capital of Yemen. Khat contains an amphetamine alkaloid stimulant narcotic illegal in most countriesSmall photo of Alkaloid word cloud conceptSmall photo of Alkaloid word cloud concept on grey background.Small photo of Branch of lesser periwinkle (Vinca minor). The plant is sedative and tonic. It contains the alkaloid "vincamine", which is used by the pharmaceutical industry as a cerebral stimulant and vasodilator.Small photo of Common poppy (Papaver rhoeas) contains the alkaloid rhoeadine which is a mild sedative. The black seeds are also edible, and are eaten either on their own or as an ingredient in bread. More...

Video language resources about Alkaloid

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Quotes about Alkaloid

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Scrabble value of A1L1K5A1L1O1I1D2

The value of this 8-letter word is 13 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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