/ Dictionary / Index H heterophil: Meaning and Definition of Find definitions for: het•er•o•phil Pronunciation: (het'ur-u-fil), [key] — adj. (of an antibody) having an affinity for an antigen other than its specific antigen. —n. a neutrophil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Heteroousian heterophony Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language