/ Dictionary / Index M magnetic resonance scan: Meaning and Definition of Find definitions for: magnet'ic res'onance scan". Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic resonance imaging magnetic resonance scanner Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language