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photoactivation

[foh-toh-ak-tuh-vey-shuh n] /ˌfoʊ toʊˌæk təˈveɪ ʃən/
noun, Chemistry.
1.
the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
Origin of photoactivation
1920-1925
1920-25; photo- + activation
Related forms
photoactive, adjective
photoactivity, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for photoactive

photoactive

/ˌfəʊtəʊˈæktɪv/
adjective
1.
(of a substance) capable of responding to light or other electromagnetic radiation
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
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