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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.
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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
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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