/ Dictionary / Index Q quadriphonic: Meaning and Definition of Find definitions for: quad•ri•phon•ic Pronunciation: (kwod"ru-fon'ik), [key] — adj. quadraphonic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quadriphonic (Thesaurus) quadripartite quadriphonics Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language