proenzyme

[ proh-en-zahym ]
/ proʊˈɛn zaɪm /

noun Biochemistry.

any of a group of proteins that are converted to active enzymes by partial breakdown, as by the action of an acid or other enzyme.

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Also called zymogen.

Origin of proenzyme

First recorded in 1895–1900; pro-1 + enzyme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for proenzyme

British Dictionary definitions for proenzyme

proenzyme
/ (prəʊˈɛnzaɪm) /

noun

the inactive form of an enzyme; zymogen
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 proenzyme

proenzyme
[ prō-ĕnzīm′ ]

n.

The inactive or nearly inactive precursor of an enzyme, converted into an active enzyme by proteolysis.zymogen
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.