Medical Dictionary

photoinactivation

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noun pho·to·in·ac·ti·va·tion \ ˌfōt-ō-(ˌ)in-ˌak-tə-ˈvā-shən \

medical Definition of photoinactivation

1 :the retardation or prevention of a chemical reaction by radiant energy (as light) — compare photocatalysis
2 :the inactivation of a substance by radiant energy (as light) — compare photoactivation

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