/ Dictionary / Index A apogeotropism: Meaning and Definition of Find definitions for: ap•o•ge•ot•ro•pism Pronunciation: (ap"u-jē-o'tru-piz"um), [key] — n. Biol. growth or orientation away from the earth; negative geotropism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apogee apograph Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language