/ Dictionary / Index M magnetic moment: Meaning and Definition of Find definitions for: magnet'ic mo'ment Pronunciation: [key] a vector quantity associated with a given electric current, magnet, or the like, having the property that its vector product with the magnetic induction equals the torque acting on the given object. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic mirror magnetic monopole 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