proteolysis

noun

: the hydrolysis of proteins or peptides with formation of simpler and soluble products

Examples of proteolysis in a Sentence

Recent Examples on the Web
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This action of protein breakdown (proteolysis) determines the structure and sensory properties of Parmigiano Reggiano and its high digestibility. — John Mariani, Forbes, 13 May 2021 The three primary reactions that define cheese ripening are glycolysis, proteolysis, and lipolysis. — Ashton Yoon, Discover Magazine, 26 Sep. 2017

Word History

Etymology

proteo- + -lysis

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of proteolysis was in 1880

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Cite this Entry

“Proteolysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proteolysis. Accessed 24 Sep. 2026.

Medical Definition

proteolysis

noun
: the hydrolysis of proteins or peptides with formation of simpler and soluble products (as in digestion)

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