photocatalysis

photocatalysis
photocatalytic /foh'toh kat'l it"ik/, adj.
/foh'toh keuh tal"i sis/, n., pl. photocatalyses /-seez'/. Chem.
the acceleration or retardation of the reaction rate in chemical reactions by light.
[1910-15; PHOTO- + CATALYSIS]

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