/ Dictionary / Index M magnetograph: Meaning and Definition of Find definitions for: mag•ne•to•graph Pronunciation: (mag-nē'tu-graf", -gräf"), [key] — n. a recording magnetometer, used esp. for recording variations in the earth's magnetic field. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: magnetograph (Thesaurus) magnetogram magnetohydrodynamic generation Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language