photocatalysis

noun
pho·​to·​ca·​tal·​y·​sis | \ ˌfōt-ō-kə-ˈtal-ə-səs How to pronounce photocatalysis (audio) \
plural photocatalyses\ -​ˌsēz How to pronounce photocatalysis (audio) \

Medical Definition of photocatalysis

: the acceleration of a chemical reaction by radiant energy (as light) acting either directly or by exciting a substance that in turn catalyzes the main reaction — compare photoinactivation sense 1

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Cite this Entry

“Photocatalysis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/photocatalysis. Accessed 16 Jan. 2021.

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