calcium carbide


noun

a grayish-black, lumpy, crystalline powder, CaC2, usually derived from coke or anthracite by reaction with limestone or quicklime: used chiefly for the generation of acetylene, which it yields upon decomposing in water.
Also called carbide.

Origin of calcium carbide

First recorded in 1885–90

British Dictionary definitions for calcium carbide

calcium carbide

noun

a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC 2 Sometimes shortened to: carbide