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Calx - Definition and Overview |
| Related Words: Ashes, Brand, Carbon, Charcoal, Cinder, Clinker, Coal, Coke, Dross, Lava, Reek, Scoria, Slag, Smoke, Smudge, Soot |
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Calx is a residual substance, sometimes in the form of a fine powder, that is left when a metal or mineral combusts or is calcinated due to heat.
Calx, especially of a metal, is now known as an oxide. According to the Phlogiston theory, the calx is the true elemental substance, having lost its phlogiston in the process of combustion.
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