/ Dictionary / Index G geotropic: Meaning and Definition of Find definitions for: ge•o•trop•ic Pronunciation: ( jē"ō-trop'ik, -trō'pik), [key] — adj. Biol. of, pertaining to, or exhibiting geotropism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. geothermal gradient geotropism Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language