photocatalytic

photocatalysis

[foh-toh-kuh-tal-i-sis]
noun, plural photocatalyses [foh-toh-kuh-tal-i-seez] . Chemistry.
the acceleration or retardation of the reaction rate in chemical reactions by light.

Origin:
1910–15; photo- + catalysis

photocatalytic [foh-toh-kat-l-it-ik] , adjective
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World English Dictionary
photocatalysis (ˌfəʊtəʊkəˈtælɪsɪs)
 
n , pl -ses
the alteration of the rate of a chemical reaction by light or other electromagnetic radiation

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