Hypertext Webster Gateway: "calcination"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Calcination \Cal`ci*na"tion\ (k[a^]l`s[i^]*n[=a]"sh[u^]n), n.
[F. calcination.]
1. (Chem.) The act or process of disintegrating a substance,
or rendering it friable by the action of heat, esp. by the
expulsion of some volatile matter, as when carbonic and
acid is expelled from carbonate of calcium in the burning
of limestone in order to make lime.
2. The act or process of reducing a metal to an oxide or
metallic calx; oxidation.
From WordNet (r) 1.7 (wn)
calcination
n : the conversion of metals into their oxides as a result of
heating to a high temperature
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