(n.) The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
ACTINISM
Meaning of ACTINISM in English
Webster's English dictionary. Английский словарь Webster. 2012
(n.) The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.
Webster's English dictionary. Английский словарь Webster. 2012