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more about cupel
cupel |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Cupel \Cu"pel\ (k[=u]"p[e^]l), n. [LL. cupella cup (cf. L. cupella, small cask, dim. of cupa) : cf F. coupelle See {Cup}, and cf {Coblet}.] A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime). [Written also {coppel}.] {Cupel dust}, powder used in purifying metals. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Cupel \Cu*pel"\ (k[-u]*p[e^]l"), v. t. [imp. & p. p. {Cupelled} (-p?ld"); p. pr & vb n. {Cupelling}.] To refine by means of a cupel. From WordNet r 1.6 [wn]: cupel n : small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead [syn: {bone-ash cup}, {refractory pot}]
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