photochemistry

[foh-toh-kem-uh-stree]

Origin of photochemistry

First recorded in 1865–70; photo- + chemistry
Related formspho·to·chem·i·cal [foh-toh-kem-i-kuh l] /ˌfoʊ toʊˈkɛm ɪ kəl/, pho·to·chem·ic, adjectivepho·to·chem·i·cal·ly, adverbpho·to·chem·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for photochemical

Historical Examples of photochemical

  • Scheele's work aroused much interest in photochemical effects and many investigations followed.

    Artificial Light

    M. Luckiesh

  • The foregoing are only a few of the multitude of photochemical reactions and other effects of radiant energy.

    Artificial Light

    M. Luckiesh

  • We must therefore conclude that the heliotropic curvature of the polyps is determined by a photochemical action of the light.

  • The product of photochemical decomposition no longer forms azo-colours with amines or phenols.

    Coal

    Raphael Meldola


British Dictionary definitions for photochemical

photochemical

adjective
  1. of or relating to photochemistry; involving the chemical effects of light
Derived Formsphotochemically, adverb

photochemistry

noun
  1. the branch of chemistry concerned with the chemical effects of light and other electromagnetic radiationsAlso called: actinochemistry
Derived Formsphotochemist, 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

photochemical in Medicine

photochemistry

[fō′tō-kĕmĭ-strē]
n.
  1. The branch of chemistry that deals with the effects of light on chemical systems.
Related formspho′to•chemi•cal (-ĭ-kəl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

photochemical in Science

photochemistry

[fō′tō-kĕmĭ-strē]
  1. 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.