/ Dictionary / Index M magnetometer: Meaning and Definition of Find definitions for: mag•ne•tom•e•ter Pronunciation: (mag"ni-tom'i-tur), [key] — n. an instrument for measuring the intensity of a magnetic field, esp. the earth's magnetic field. an instrument for detecting the presence of ferrous or magnetic materials, esp. one used to detect concealed weapons at airports. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: magnetometer (Thesaurus) magnetomechanical ratio magnetomotive force Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language