/ Dictionary / Index M magnetotaxis: Meaning and Definition of Find definitions for: mag•ne•to•tax•is Pronunciation: (mag-nē"tō-tak'sis), [key] — n. Biol. movement or orientation of an organism in response to a magnetic field. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. magnetotail magnetothermoelectricity Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language