/ Dictionary / Index P phonocardiograph: Meaning and Definition of Find definitions for: pho•no•car•di•o•graph Pronunciation: (fō"nu-kär'dē-u-graf", -gräf"), [key] — n. Med. an instrument for graphically recording the sound of the heartbeat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phonocardiogram phonogram Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language