/ Dictionary / Index D dipeptide: Meaning and Definition of Find definitions for: di•pep•tide Pronunciation: (di-pep'tīd, dī-), [key] — n. Biochem. a peptide that yields two amino acids on hydrolysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dipeptidase dipetalous Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language