/ Dictionary / Index S sulfarsenide: Meaning and Definition of Find definitions for: sulf•ar•se•nide Pronunciation: (sul-fär'su-nīd", -nid), [key] — n. Chem. any compound containing an arsenide and a sulfide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sulfapyridine sulfarsphenamine Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language