[ 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.
TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!
Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!
Question 1 of 10
Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.
Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.
It’s your turn to pick the movie but your sister gets to pick the board game were going to play.
It’s your turn to pick the movie, but your sister gets to pick the board game we’re going to play.TAKE THE QUIZ TO FIND OUT
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. 2020
British Dictionary definitions for photocatalytic
/ (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