any of a group of enzymes that catalyze the hydrolytic degradation of proteins or polypeptides to smaller amino acid polymers.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for protease
any enzyme involved in proteolysis
Word Origin for protease
C20: from protein + -ase
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for protease
Online Etymology Dictionary, © 2010 Douglas Harper
Any of various enzymes, including the proteinases and peptidases, that catalyze the hydrolytic breakdown of proteins.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Any of various enzymes that bring about the breakdown of proteins into peptides or amino acids by hydrolysis. Pepsin is an example of a protease.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.