[pep-ti-deys, -deyz]

noun Biochemistry.

any of the class of enzymes that catalyze the hydrolysis of peptides or peptones to amino acids.

Origin of peptidase

First recorded in 1915–20; peptide + -ase Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for peptidase



any of a group of proteolytic enzymes that hydrolyse peptides to amino acids
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

peptidase in Medicine


[pĕptĭ-dās′, -dāz′]


An enzyme that catalyzes the hydrolysis of peptides into amino acids.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.