/ Dictionary / Index A arsenide: Meaning and Definition of Find definitions for: ar•se•nide Pronunciation: (är'su-nīd", -nid), [key] — n. Chem. a compound containing two elements of which arsenic is the negative one, as silver arsenide, AgAs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arsenide (Thesaurus) arsenic trisulfide arsenious Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language