/ Dictionary / Index A antimony trisulfide: Meaning and Definition of Find definitions for: an'timony trisul'fide Pronunciation: [key] — Chem. Chem. a black or orange-red, crystalline, water-insoluble solid, SbS, used chiefly as a pigment in paints and in the manufacture of fireworks and matches. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antimony trifluoride antimony yellow Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language