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peptidase

American  
[pep-ti-deys, -deyz] / ˈpɛp tɪˌdeɪs, -ˌdeɪz /

noun

Biochemistry.

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

peptidase British  
/ -ˌdeɪz, ˈpɛptɪˌdeɪs /

noun

  1. 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

Etymology

Origin of peptidase

First recorded in 1915–20; peptide + -ase

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Proteins are broken down by the enzymes pepsin and peptidase, and by hydrochloric acid.

From Textbooks • Jun. 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.