A dipeptide is a sometimes ambiguous designation of two classes of organic compounds: Its molecules contain either two amino acids joined by a single peptide bond or one amino acid with two peptide bonds. == Two amino acids, one peptide bond == In this usage, X dipeptide (with X designating an amino acid) must be understood as di-X peptide. This n...
A combination of two amino acids by means of a peptide (-CO-NH-) link. ... (05 Mar 2000) ... 
(di-pep´tīd) a peptide that contains two amino acids.
Type: Term Pronunciation: dī-pep′tīd Definitions: 1. A combination of two amino acids by means of a peptide (-CO-NH-) link.
Dipeptide: A peptide consisting of two amino acids.
a peptide that yields two amino acids on hydrolysis.