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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
First recorded in 1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for calcium carbide
Historical Examples
  • It is now made in large quantities from calcium carbide (CaC2).

  • The chief source of calcium carbide in this country is the electric furnace.

    Artificial Light M. Luckiesh
  • The simplicity of the manufacture of acetylene from calcium carbide and water gives to this gas a great advantage in some cases.

    Artificial Light M. Luckiesh
  • A gas which has played a prominent part in lighting is acetylene, produced by the interaction of water and calcium carbide.

    Artificial Light M. Luckiesh
  • The cheapness of calcium carbide is due to the development of cheap electric power.

    Artificial Light M. Luckiesh
  • The discovery of a commercial scale of manufacture of calcium carbide has been a boon to isolated lighting.

    Artificial Light M. Luckiesh
  • Acetylene, which is so simply made by means of calcium carbide and water, has been a great factor in lighting for navigation.

    Artificial Light M. Luckiesh
  • In the first place, calcium carbide itself is a very bad conductor of heat.

  • This view would be correct if calcium carbide were prepared in a state of chemical purity, for it also is a white body.

  • The use of "cartridges" of calcium carbide has already been briefly referred to in Chapters II.

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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