Cu"pel (k?"p?l), n. [LL. cupella cup (cf. L. cupella, small cask, dim. of cupa) : cf. F. coupelle. See Cup, and cf. Coblet.]

A shallow porus cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).

[Written also coppel.]

Cupel dust, powder used in purifying metals.


© Webster 1913.

Cu*pel" (k?-p?l"), v. t. [imp. & p. p. Cupelled (-p?ld"); p. pr. & vb. n. Cupelling.]

To refine by means of a cupel.


© Webster 1913.

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