- photochemical radiation
- the part of the radiant spectrum that produces chemical changes.
Medical dictionary. 2011.
photochemical radiation
Look at other dictionaries:
photochemical reaction — Chemical reaction initiated by absorption of energy in the form of visible (light), ultraviolet, or infrared radiation. Primary photochemical processes occur as an immediate result, and secondary processes may follow. The most important example… … Universalium
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
photochemical equivalence law — ▪ chemistry fundamental principle relating to chemical reactions (chemical reaction) induced by light, which states that for every quantum of radiation that is absorbed, one molecule of the substance reacts. A quantum is a unit of… … Universalium
Photochemical reaction — A photochemical reaction is a chemical reaction which is induced by light. Examples of photochemical organic reactions are electrocyclic reactions, photoisomerization and Norrish reactions. The basic requirements for photochemical reactions are:… … Wikipedia
Photochemical and Photobiological Sciences — Infobox Journal title = Photochemistry Photobiological Sciences discipline = Photochemistry, Photobiology abbreviation = Photochem. Photobiol. Sci., PPS website = http://www.rsc.org/Publishing/Journals/pp/Index.asp|link1 =… … Wikipedia
photochemical — Denoting chemical changes caused by or involving light. * * * pho·to·chem·i·cal .fōt ō kem i kəl adj 1) of, relating to, or resulting from the chemical action of radiant energy and esp. light <photochemical smog> 2) of or relating to… … Medical dictionary
photochemical reaction — noun Any chemical reaction initiated by the absorption of a quantum of electromagnetic radiation to form an excited state … Wiktionary
photochemical — fəʊtəʊ kemɪkl adj. of chemical reactions resulting from the influence of light or radiation … English contemporary dictionary
Non-ionizing radiation — Different types of electromagnetic radiation Non ionizing (or non ionising) radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum to ionize atoms or molecules that is, to completely remove an… … Wikipedia
electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… … Universalium
