proteolysis
noun
pro·te·ol·y·sis
ˌprō-tē-ˈä-lə-səs 
: the hydrolysis of proteins or peptides with formation of simpler and soluble products
Examples of proteolysis in a Sentence
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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
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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
Cite this Entry
“Proteolysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proteolysis. Accessed 9 Sep. 2025.
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proteolysis
noun
pro·te·ol·y·sis
ˌprōt-ē-ˈäl-ə-səs
plural proteolyses
-ˌsēz
: the hydrolysis of proteins or peptides with formation of simpler and soluble products (as in digestion)
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