/ Dictionary / Index M magnetic concentration: Meaning and Definition of Find definitions for: magnet'ic concentra'tion Pronunciation: [key] beneficiation of crushed ore in which a magnetic mineral is separated from gangue by means of a magnetic field. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic compass magnetic core Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language