/ Dictionary / Index T trichloride: Meaning and Definition of Find definitions for: tri•chlo•ride Pronunciation: (trī-klôr'īd, -id, -klōr'-), [key] — n. Chem. a chloride having three atoms of chlorine, as ferric chloride, FeCl. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trichloride (Thesaurus) trichlorfon trichloroacetaldehyde Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language