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Definition of the noun actinism

What does actinism mean as a name of something?

noun - plural: actinisms

  1. the property of radiation that enables it to produce photochemical effects
    • lexical domain: Attributes - nouns denoting attributes of people and objects
    • more generic word: property = a basic or essential attribute shared by all members of a class

Printed dictionaries and other books with definitions for Actinism

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Google previewPhotography, on Glass and Paper, ... (1834)

by John Brent Hockin

* Actinism is the term applied to that portion of light which affects the photographic chemicals. angle.." incidence, the photographic effect approximates much more nearly the 10 PHOTOGRAPHIC PROCESS.

Google previewThe Worst Weather on Earth (1991)

by William Lowell Putnam

Actinism is the science dealing with the study of solar radiations. Since the atmosphere tends to filter out the ultraviolet end of the solar spectrum, the intensity of harmful sunburn is increased with altitude, in addition, the reflective effect of snow ...

Google previewReviews of Environmental Contamination and Toxicology (2012)

by David M. Whitacre

The radicals 3 Actinism is the intrinsic property in radiation that produces photochemical activity. 4 A chromophore is a chemical group capable of selective light absorption resulting in the coloration of certain aromatic organic compounds .

Google previewJohnson's Universal Cyclopedia (1893)

A New Edition by Charles Kendall Adams

Actinism is the term commonly applied to the chemical action of light, an action scarcely less important than the thermal and optical effects, since in all probability many essential processes in nature, such as the formation of chlorophyll and the ...

Google previewA Dictionary of Photography (1858)

by Thomas Sutton, John Worden

We need not in this place again enumerate any of the principal phenomena of actinism, these having been discussed at some length in the article on the " Chemistry of Photography," but it may be well to define clearly what the term actinism ...

Google previewA Dictionary of Science (1873)

Comprising Astronomy, Chemistry, Dynamics, Electricity, Heat, Hydrodynamics, Hydrostatics, Light, Magnetism, Mechanics, Meteorology, Pneumatics, Sound, and Statics; Preceded by an Essay on the History of the Physical Sciences by George Farrer Rodwell

Actinism, (faeriv, a ray.) A term first employed by Robert Hunt, to exprers the chemically active or photographic rays of light. When a solar spectrum ia examined by appropriate means it is found that the visible portion by no means constitutes ...

Google previewThe New American Encyclopaedia (1865)

A Popular Dictionary of General Knowledge

ACTA SANCTORUM ACTINISM 79 remained in the hands of the Menke family until 1754, and preserved its reputation until it fell under the charge of Professor Bel, who managed it so negligently that it lost character and circulation.

Google previewDictionary of Arts, Manufactures and Mines ... [ed] by Robert Hunt ... (1878)

by Andrew Ure

Actinism. — The Chemical Rays. — If the prismatic is thrown upon a piece of paper coated with the chloride of silver, it will be found that a change — a decomposition of the chloride of silver indicated by darkening — will commence in the ...

Google previewThe New American Cyclopaedia: a Popular Dictionary of General Knowledge (1863)

by George Ripley, Charles Anderson Dana

ACTA SANCTORUM ACTINISM 79 remained in the hands of the Menke family until 1754, and preserved its reputation until it fell under the charge of Professor Bel, who managed it so negligently that it lost character and circulation.

Google previewUre's Dictionary of Arts, Manufactures, and Mines (1878)

Containing a Clear Exposition of Their Principles and Practice by Andrew Ure

Actinism. — The rays which are active in producing chemical change, and upon which all the phenomena of photography depend. These can be separated one ...

Google previewA Dictionary of Medical Science (1893)

Containing a Full Explanation of the Various Subjects and Terms of Anatomy, Physiology, ... by Robley Dunglison

Actinism, ak'tin-ism (aktis, a ray). Power which portion of spectrum possesses to induce chemical action. Actlnobolla (ak-tin-o-bol'e-ah) or Actlnobollsm, ak- tin-ob' o-lizni. Radiation ; literally, emission of rays of light. Transmission of will-power ...

Google previewChambers's Twentieth Century Dictionary (part 1 of 4: A-D)

by Various

Actinism, ak′tinizm, n. the chemical force of the sun's rays, as distinct fromlight and heat.—adj.Ac′tinic. [Gr. aktis, aktinos, aray.] Actinolite, aktin′ōlīt, n. a green variety of hornblende. [Gr. aktis, aktīnos, aray, ...

Google previewIllustrated Dictionary of Midwifery - Australian/New Zealand Version (2011)

by Joanne Gray, Rachel Smith, Caroline Homer

actinism the abilityofsunlight and ultraviolet (UV) radiation to cause chemical changes in the skin. This occurs when jaundiced neonates are exposedtosunlight or UV light; thebile pigment in the ...

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Actinism Meaning

Video shows what actinism means. That property of electromagnetic radiation that leads to the production of photochemical effects. Actinism Meaning. How to ...

Scrabble value of A1C3T1I1N1I1S1M3

The value of this 8-letter word is 12 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of ACTINISM

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