/ Dictionary / Index Q quadraphonic: Meaning and Definition of Find definitions for: quad•ra•phon•ic Pronunciation: (kwod"ru-fon'ik), [key] — adj. of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quadraphonic (Thesaurus) Quadrantids quadraphony Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language