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catalysis
[ kuh-tal-uh-sis ]
/ kəˈtæl ə sɪs /
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noun, plural ca·tal·y·ses [kuh-tal-uh-seez]. /kəˈtæl əˌsiz/.
Chemistry. the causing or accelerating of a chemical change by the addition of a catalyst.
an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action: social catalyses occasioned by controversial writings.
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Origin of catalysis
OTHER WORDS FROM catalysis
Words nearby catalysis
Catalonia, Catalonian, catalpa, catalufa, catalyse, catalysis, catalyst, catalytic, catalytic converter, catalytic cracker, catalytic cracking
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use catalysis in a sentence
British Dictionary definitions for catalysis
catalysis
/ (kəˈtælɪsɪs) /
noun plural -ses (-ˌsiːz)
acceleration of a chemical reaction by the action of a catalyst
Word Origin for catalysis
C17: from New Latin, from Greek katalusis, from kataluein to dissolve
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
Medical definitions for catalysis
catalysis
[ kə-tăl′ĭ-sĭs ]
n. pl. ca•tal•y•ses (-sēz′)
The action of a catalyst, especially an increase in the rate of a chemical reaction.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.