/ Dictionary / Index A apheliotropism: Meaning and Definition of Find definitions for: a•phe•li•ot•ro•pism Pronunciation: (u-fē"lē-o'tru-piz"um, ap-hē"lē-), [key] — n. apheliotropic tendency or type of growth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apheliotropic aphemia Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language