from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A grayish-black crystalline compound, CaC2, obtained by heating pulverized limestone or quicklime with carbon and used to generate acetylene gas, as a dehydrating agent, and in the manufacture of graphite and hydrogen.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A black, solid, of formula CaC2, manufactured from lime and carbon at high temperatures; reacts with water to form acetylene.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a grey salt of calcium (CaC) used in making acetylene
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