/ Dictionary / Index D diplophonia: Meaning and Definition of Find definitions for: dip•lo•pho•ni•a Pronunciation: (dip"lu-fō'nē-u), [key] — n. Pathol. a condition in which the voice simultaneously produces two sounds of different pitch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diplophase diplopia 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