/ Dictionary / Index P pepsinate: Meaning and Definition of Find definitions for: pep•sin•ate Pronunciation: (pep'su-nāt"), [key] — -at•ed, -at•ing. to treat, prepare, or mix with pepsin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pepsin pepsinogen Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language