/ Dictionary / Index D dipetalous: Meaning and Definition of Find definitions for: di•pet•al•ous Pronunciation: (dī-pet'l-us), [key] — adj. Bot. bipetalous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dipeptide diphase 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