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Added 9 October 2026

peptide

/ˈpɛptaɪd/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about peptide at Wordnik → Where our words come from →

Amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein.

Origin

From peptone, partially hydrolyzed protein, or German Peptid, from German Pepton, from Ancient Greek πεπτόν (peptón, “cooked, digested”) derived from πέπτω (péptō, “soften, ripen, boil, cook, bake, digest”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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