aminopeptidase

noun

: an enzyme that hydrolyzes peptides by acting on the peptide bond next to a terminal amino acid containing a free amino group

Word History

First Known Use

1935, in the meaning defined above

Time Traveler
The first known use of aminopeptidase was in 1935

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Cite this Entry

“Aminopeptidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aminopeptidase. Accessed 1 Aug. 2026.

Medical Definition

aminopeptidase

noun
: an enzyme (as one found in the duodenum) that hydrolyzes peptides by acting on the peptide bond next to a terminal amino acid containing a free amino group
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