/ Dictionary / Index M magnetic declination: Meaning and Definition of Find definitions for: magnet'ic declina'tion Pronunciation: [key] variation (def. 8). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetic course magnetic dip Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language