Search Result for "cupel": 
Wordnet 3.0

NOUN (1)

1. a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead;
[syn: bone-ash cup, cupel, refractory pot]


The Collaborative International Dictionary of English v.0.48:

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]
The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

cupel n 1: a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead [syn: bone-ash cup, cupel, refractory pot]