Definition of peptide noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈpeptaɪd//
; NAmE NAmE//ˈpeptaɪd//
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a chemical consisting of two or more amino acids joined together Word Origin early 20th cent.: from German Peptid, back-formation from Polypeptid ‘polypeptide’.
See the Oxford Advanced American Dictionary entry: peptide