Photoreaction



[foh-toh-ree-ak-shuh n] /ˌfoʊ toʊ riˈæk ʃən/

noun, Chemistry.
1.
a chemical that involves or requires light.

photoreaction pho·to·re·ac·tion (fō’tō-rē-āk’shən)
n.
A photochemical reaction.

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