Category:Cupel

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

Defn: 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.

cupel Cu*pel" (k-pl"), v. t. [imp. & p. p. Cupelled (-pld"); p. pr. & vb. n. Cupelling.]

Defn: To refine by means of a cupel.