carbide

from WordNet (r) 3.0 (2006)

carbide
    n 1: a binary compound of carbon with a more electropositive
         element

from The Collaborative International Dictionary of English v.0.48

Carbide \Car"bide\, n. [Carbon + -ide.] (Chem.)
   A binary compound of carbon with some other element or
   radical, in which the carbon plays the part of a negative; --
   formerly termed {carburet}.
   [1913 Webster]