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calcium carbide

noun
1.
a grayish-black, lumpy, crystalline powder, CaC 2 , 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
1885-1890
1885-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for calcium car-bide

calcium carbide

noun
1.
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
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
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