calcium carbide(redirected from CaC 2)
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A grayish-black crystalline compound, CaC2, obtained by heating pulverized limestone or quicklime with carbon and used to generate acetylene gas, as a dehydrating agent, and in the manufacture of graphite and hydrogen.
(Elements & Compounds) a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC2. Sometimes shortened to: carbide
a grayish black powder, CaC2, used chiefly to generate acetylene by decomposing it in water.
carburo di calcio