arsenide

from WordNet (r) 3.0 (2006)

arsenide
    n 1: a compound of arsenic with a more positive element

from The Collaborative International Dictionary of English v.0.48

Arsenide \Ar"sen*ide\, n. (Chem.)
   A compound of arsenic with a metal, or positive element or
   radical; -- formerly called arseniuret.
   [1913 Webster]