/ Dictionary / Index A antimony pentasulfide: Meaning and Definition of Find definitions for: an'timony pen•ta•sul'fide Pronunciation: (pen"tu-sul'fīd), [key] — Chem. Chem. a deep-yellow, water-insoluble powder, SbS, used chiefly as a pigment in oil and water colors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antimony oxychloride antimony pentoxide Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language