/ Dictionary / Index M magnetic anomaly: Meaning and Definition of Find definitions for: magnet'ic anom'aly Pronunciation: [key] a departure from the normal magnetic field of the earth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic amplifier magnetic bearing Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language