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oli·go·pep·tide .äl-i-gō-'pep-.tīd, .ō-li- n a protein fragment or molecule that usu. consists of less than 25 amino acid residues linked in a polypeptide chain
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ol·i·go·pep·tide (ol″ĭ-go-pepґtīd) the structure formed by the linkage of a few amino acids.Medical dictionary. 2011.