tetradecapeptide

noun
tet·​ra·​deca·​pep·​tide | \ ˌte-trə-ˌdek-ə-ˈpep-ˌtīd How to pronounce tetradecapeptide (audio) \

Medical Definition of tetradecapeptide

: a polypeptide (as somatostatin) that contains 14 amino acids