peptidase
noun
pep·ti·dase
ˈpep-tə-ˌdās 
-ˌdāz
: an enzyme that hydrolyzes simple peptides or their derivatives
Examples of peptidase in a Sentence
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Lipase breaks down fats, amylase breaks down carbs, and proteases and peptidases both break down proteins, to name a few.
—
Caroline Tien, SELF, 11 Mar. 2026
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Caroline Tien, SELF, 11 Mar. 2026
Cite this Entry
“Peptidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peptidase. Accessed 16 Mar. 2026.
Copy CitationKids Definition
peptidase
noun
pep·ti·dase
ˈpep-tə-ˌdās
-ˌdāz
: an enzyme that breaks down simple peptides
Medical Definition
peptidase
noun
pep·ti·dase
ˈpep-tə-ˌdās, -ˌdāz
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