/ Dictionary / Index H heterotrophic: Meaning and Definition of Find definitions for: het•er•o•troph•ic Pronunciation: (het"ur-u-trof'ik, -trō'fik), [key] — adj. Biol. capable of utilizing only organic materials as a source of food. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heterotrophic (Thesaurus) heterotroph heterotypic Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language