To reduce to quick-lime, or to an analogous substance, by roasting or burning; ‘to burn in the fire to a calx or friable substance’ (Johnson).

= calcine, v.

= calcine, v.

transitive. To assay or refine in a cupel; to subject to cupellation.

transitive. To calcine or roast (a salt or mineral) until it no longer crackles in the fire.

transitive. To reduce to scoria or slag.

= cupel, v.

transitive. To heat (amalgam, oil shale, etc.) in a retort in order to separate or purify substances.

Metallurgy. To liquefy metals in order to separate them or to free them from impurities. Also to liquate out.

intransitive. Metallurgy. Of antimony: to form a starlike pattern of radially arranged crystals upon cooling from the molten state, indicative of…

(transitive).

(transitive).

(transitive).