/ Dictionary / Index P peptolytic: Meaning and Definition of Find definitions for: pep•to•lyt•ic Pronunciation: (pep"tu-lit'ik), [key] — adj. Biochem. causing the hydrolysis of peptides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. peptize peptone Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language