vbl. sb. [f. CUPEL v. + -ING1.] = CUPELLATION.

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1644.  Digby, Nat. Bodies, x. (1657), 102. In the coppelling of a fixed metal.

2

a. 1691.  Boyle, Wks., III. 453 (R.). The quick melting down of ores, and cupelling of them.

3

  b.  attrib. and Comb., as cupelling-fire, -furnace.

4

a. 1691.  Boyle, Wks., III. 713 (R.). We kept it there in a cupelling-fire about three hours (having occasion to continue the cupellation so long for other trials).

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1822.  Imison, Sc. & Art, II. 113. The mixed metal is put into a dish called a cupel … and placed in a cupelling furnace.

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