Definify.com

Webster 1913 Edition

Calx

Calx

,
Noun.
;
pl. E.
Calxes
(#)
, L.
Calces
(#)
.
[L.
Calx
,
calcis
. limestone; cf. Gr. [GREEK] gravel. [GREEK], [GREEK], pebble, Skr. [GREEK] gravel, Ir.
carraic
rock Gael.
carraig
, W.
careg
, stone. Cf.
Chalk
.]
1.
(Chem.)
(a)
Quicklime.
[Obs.]
(b)
The substance which remains when a metal or mineral has been subjected to calcination or combustion by heat, and which is, or may be, reduced to a fine powder.
☞ Metallic calxes are now called oxides.

Webster 1828 Edition

Calx

CALX

,
Noun.
Properly lime or chalk; but more appropriately, the substance of a metal or mineral which remains after being subjected to violent heat, burning, or calcination, solution by acids, or detonation by niter, and which is or may be reduced to a fine powder. Metallic calxes are now called oxyds. They are heavier than the metal from which they are produced, being combined with oxygen.
Calx nativa, native calx, a kind of marly earth, of a dead whitish color, which, in water, bubbles or hisses, and without burning, will make a cement, like lime or gypsum.
Calx viva, quick-lime, is lime not slaked.

Similar Results