/ Dictionary / Index A antimony trifluoride: Meaning and Definition of Find definitions for: an'timony triflu'oride Pronunciation: [key] — Chem. Chem. a white to grayish-white, crystalline, hygroscopic, water-soluble, poisonous solid, SbF, used chiefly in dyeing textiles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antimony sulfide antimony trisulfide Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language