/ Dictionary / Index H hexachloride: Meaning and Definition of Find definitions for: hex•a•chlo•ride Pronunciation: (hek"su-klôr'īd, -klōr'-), [key] — n. a chloride containing six atoms of chlorine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hexabasic hexachloroethane Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language