#carbide  a binary compound of carbon with a more electropositive element
  supertype:  inorganic_compound__inorganiccompound  any compound that does not contain carbon
  subtype:  calcium_carbide  a gray salt of calcium (CaC) used in making acetylene
  subtype:  silicon_carbide__siliconcarbide  an extremely hard blue-black crystalline compound (SiC) used as an abrasive and a heat refractory material; crystals of silicon carbide can be used as semiconductors

No statement uses or specializes carbide; click here to add one.