Pronunciation: (het'u-rō"), [key]
—adj., n., pl. -er•os.
1. Chem.of or pertaining to an atom other than carbon, particularly in a cyclic compound.
Informal. a heterosexual person.
a combining form meaning “different,” “other,” used in the formation of compound words: heterocyclic. Also, esp. before a vowel,heter-.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.