English dictionary
actinism
/'/&/kt/@/,n/I/z/@/m/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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the property of radiation that enables it to produce photochemical effects
Source: WordNet 3.0
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The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
Source: webster1913