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catalase

[kat-l-eys, -eyz] /ˈkæt lˌeɪs, -ˌeɪz/
noun, Biochemistry
1.
an enzyme that decomposes hydrogen peroxide into oxygen and water.
Origin
1900-1905
1900-05; catal(ysis) + -ase
Related forms
catalatic
[kat-l-at-ik] /ˌkæt lˈæt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for catalase

catalase

/ˈkætəˌleɪs/
noun
1.
an enzyme that catalyses the decomposition of hydrogen peroxide
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
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catalase in Medicine

catalase cat·a·lase (kāt'l-ās', -āz')
n.
An enzyme found in most living cells that catalyzes the decomposition of hydrogen peroxide to water and oxygen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for catalase

an enzyme that brings about (catalyzes) the reaction by which hydrogen peroxide is decomposed to water and oxygen. Found extensively in mammalian tissues, catalase prevents the accumulation of and protects the body tissues from damage by peroxide, which is continuously produced by numerous metabolic reactions.

Learn more about catalase with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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