the branch of chemistry that deals with the chemical action of light.
- pho·to·chem·i·cal [foh-toh-kem-i-kuhl], /ˌfoʊ toʊˈkɛm ɪ kəl/, pho·to·chem·ic, adjective
- pho·to·chem·i·cal·ly, adverb
- pho·to·chem·ist, noun
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How to use photochemistry in a sentence
It is agreed by scientists that photochemistry has a promising future.Artificial Light | M. Luckiesh
British Dictionary definitions for photochemistry
the branch of chemistry concerned with the chemical effects of light and other electromagnetic radiations: Also called: actinochemistry
- photochemist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for photochemistry
The scientific study of the effects of light and ultraviolet radiation on chemical reactions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.