photocatalysis

[ foh-toh-kuh-tal-i-sis ]
/ ˌfoʊ toʊ kəˈtæl ɪ sɪs /

noun, plural pho·to·ca·tal·y·ses [foh-toh-kuh-tal-i-seez] /ˌfoʊ toʊ kəˈtæl ɪˌsiz/. Chemistry.

the acceleration or retardation of the reaction rate in chemical reactions by light.

Origin of photocatalysis

First recorded in 1910–15; photo- + catalysis

OTHER WORDS FROM photocatalysis

pho·to·cat·a·lyt·ic [foh-toh-kat-l-it-ik] /ˌfoʊ toʊˌkæt lˈɪt ɪk/, adjective

British Dictionary definitions for photocatalysis

photocatalysis
/ (ˌfəʊtəʊkəˈtælɪsɪs) /

noun plural -ses (-siːz)

the alteration of the rate of a chemical reaction by light or other electromagnetic radiation