/ Dictionary / Index H heliotropic: Meaning and Definition of Find definitions for: he•li•o•trop•ic Pronunciation: (hē"lē-u-trop'ik, -trō'pik), [key] — adj. Biol. turning or growing toward the light. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. heliotrope heliotropin Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language