/ Dictionary / Index H hetero: Meaning and Definition of Find definitions for: het•er•o Pronunciation: (het'u-rō"), [key] — adj., n., pl. -er•os. —adj. of or pertaining to an atom other than carbon, particularly in a cyclic compound. heterosexual. —n. a heterosexual person. hetero- Pronunciation: [key] a combining form meaning “different,” “other,” used in the formation of compound words: heterocyclic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hetaira heteroaromatic Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language