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calcium carbide

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 of calcium carbide
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for calcium carbide
  • Take care to not allow any grains of calcium carbide to accidentally fall into the lab drain.
  • calcium carbide was metered in at a controlled rate based on generator pressure.
  • It used calcium carbide and water to produce acetylene and was self-regulated.
  • The potentially responsible parties also treated and disposed of gas cylinders and treated calcium carbide.
  • These shipments included drums of oil, spent battery casings, calcium carbide and lime sludge.
  • Coke is also used to synthesize calcium carbide and to manufacture graphite and electrodes,and coke-oven gas is used as a fuel.
  • The alternative for induction of flowering in pineapples is calcium carbide used to form acetylene.
  • calcium carbide production is categorized and regulated according to the type of furnace used.
  • For iron and steel desulfurization, calcium carbide may be used instead of magnesium.
British Dictionary definitions for calcium carbide

calcium carbide

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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