catalysis
[ kuh-tal-uh-sis ]
/ kəˈtæl ə sɪs /
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.
QUIZZES
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
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. 2021
Example sentences from the Web for catalysis
“Depression” vs. “Anxiety”: Which Do I Have (Or Is It Both)?
“Affect” vs. “Effect”: Use The Correct Word Every Time
“Have” vs. “Has”: When To Use Each One
What Is An Em Dash And How Do You Use It?
What Is The Difference Between “It’s” And “Its”?
“Frosting” vs. “Icing”: Are They Synonyms (Or Just Taste Like They Are)?
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.