actinism


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

actinism

the ability of sunlight or similar forms of radiation to produce chemical changes.

actinism

A nonspecific term of waning use for any effect of radiant (solar) energy on biological or chemical systems.

actinism

(ak′tĭ-nĭzm) [actin- + -ism]
The property of radiant energy that produces chemical changes, as in photography or heliotherapy.