Home › Words › T › tetradecapeptidetetradecapeptidetetradecapeptide means an oligopeptide composed of fourteen amino acid residues.Among words judged in Lexicurio's Arena, tetradecapeptide ranks #42,540 of 42,747 for Qualifying.EtymologyFrom tetradeca- + peptide.nounAn oligopeptide composed of fourteen amino acid residuesDefinitions & examples from Wiktionary (CC BY-SA 3.0).