the branch of chemistry concerned with the chemical effects of light and other electromagnetic radiations
Also called: actinochemistry
Derived forms
photochemist (ˌphotoˈchemist)
noun
photochemistry in American English
(ˌfoʊtoʊˈkɛmɪstri)
noun
the branch of chemistry having to do with the effect of light or other radiant energy in producing chemical action, as in photosynthesis or photography