/ Dictionary / Index G geophysics: Meaning and Definition of Find definitions for: ge•o•phys•ics Pronunciation: ( jē"ō-fiz'iks), [key] — n. (used with a sing. v.) the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: geophysics (Thesaurus) geophone geophyte Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language