actinism
[ ak-tuh-niz-uhm ]
noun
the property of radiation by which chemical effects are produced.
Origin of actinism
1Words Nearby actinism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use actinism in a sentence
actinism, ak′tin-izm, n. the chemical force of the sun's rays, as distinct from light and heat.
An instrument for registering the intensity of the chemical influence (actinism) of the suns rays.
The third constituent of the sunbeam is actinism—its property being to produce chemical effects.
As yet, the effects of actinism have been more studied in the inanimate than the organic creation.
Experiments clearly prove that this change is to be attributed to actinism, and not to heat.
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