/ Dictionary / Index M myocardiograph: Meaning and Definition of Find definitions for: my•o•car•di•o•graph Pronunciation: (mī"u-kär'dē-u-graf", -gräf"), [key] — n. an instrument for recording the movements of the heart. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. myocardiogram myocarditis Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language