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protease

[proh-tee-eys, -eyz]
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noun Biochemistry.
  1. any of a group of enzymes that catalyze the hydrolytic degradation of proteins or polypeptides to smaller amino acid polymers.
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Origin of protease

First recorded in 1900–05; prote(in) + -ase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for protease

Contemporary Examples

Historical Examples

  • The best-known example of this type of enzymes is the protease of yeast; but similar ones may be found in germinating seeds.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher


British Dictionary definitions for protease

protease

noun
  1. any enzyme involved in proteolysis
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Word Origin

C20: from protein + -ase
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

Word Origin and History for protease

n.

1903, from protein + -ase. Related: Proteolysis.

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Online Etymology Dictionary, © 2010 Douglas Harper

protease in Medicine

protease

(prōtē-ās′, -āz′)
n.
  1. Any of various enzymes, including the proteinases and peptidases, that catalyze the hydrolytic breakdown of proteins.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

protease in Science

protease

[prōtē-ās′]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.