/ Dictionary / Index G gyrofrequency: Meaning and Definition of Find definitions for: gy•ro•fre•quen•cy Pronunciation: ( jī'rō-frē"kwun-sē), [key] — pl. -cies. the frequency of rotation of an electron or other charged particle in a magnetic field, directly proportional to the charge of the particle and to the field strength and inversely proportional to the mass of the particle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gyrocopter gyro horizon Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language