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calcium carbide

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noun
  1. 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.

Origin of calcium carbide

First recorded in 1885–90
Also called carbide.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for calcium carbide

calcium carbide

noun
  1. a grey salt of calcium used in the production of acetylene (by its reaction with water) and calcium cyanamide. Formula: CaC 2Sometimes shortened to: carbide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012