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Cupel :: Cupel (n.) A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime)..

Muffle :: Muffle (v. t.) An earthenware compartment or oven, often shaped like a half cylinder, used in furnaces to protect objects heated from the direct action of the fire, as in scorification of ores, cupellation of ore buttons, etc..

Cupelling :: Cupelling (p. pr. & vb. n.) of Cupe.

Testing :: Testing (n.) The operation of refining gold or silver in a test, or cupel; cupellation..

Coppel :: Coppel (n. & v.) See Cupel.

Test :: Test (n.) Examination or trial by the cupel; hence, any critical examination or decisive trial; as, to put a man's assertions to a test..

Copple Dust :: Copple dust () Cupel dust.

Test :: Test (v. t.) To refine, as gold or silver, in a test, or cupel; to subject to cupellation..

Cupel :: Cupel (v. t.) To refine by means of a cupel.

Cupelled :: Cupelled (imp. & p. p.) of Cupe.

Cupellation :: Cupellation (n.) The act or process of refining gold or silver, etc., in a cupel..

Test :: Test (n.) A cupel or cupelling hearth in which precious metals are melted for trial and refinement.

Button :: Button (n.) A globule of metal remaining on an assay cupel or in a crucible, after fusion..

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