[ 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.
DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?
OTHER WORDS FROM photocatalysispho·to·cat·a·lyt·ic [foh-toh-kat-l-it-ik], /ˌfoʊ toʊˌkæt lˈɪt ɪk/, adjective
Words nearby photocatalysis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for photocatalysis
/ (ˌfəʊtəʊkəˈtælɪsɪs) /
noun plural -ses (-siːz)
the alteration of the rate of a chemical reaction by light or other electromagnetic radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012