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Webster 1913 Edition


Calcination

Calˊci-na′tion

(kălˊsĭ-nā′shŭn)
,
Noun.
[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.

Webster 1828 Edition


Calcination

CALCINATION

,
Noun.
[from calcine.]
1.
The operation of expelling from a substance by heat, some volatile matter with which it is combined, or which is the cementing principle, and thus reducing it to a friable state. Thus chalk and carbonate of lime are reduced to lime by calcination, or the expulsion of carbonic acid.
2.
The operation of reducing a metal to an oxyd, or metallic calx. This is modern chemistry is called oxidation.