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cupel n. 骨灰所制的坩锅,试金用灰皿
vt. 用灰皿提炼 骨灰所制的坩锅,试金用灰皿用灰皿提炼 cupel n 1: a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead [synonym: {bone-ash cup}, {cupel}, {refractory pot}] 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}.] [1913 Webster] {Cupel dust}, powder used in purifying metals. [1913 Webster] 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. [1913 Webster]
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