The Collaborative International Dictionary
Cupelling
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.
Wiktionary
cupelling
vb. (present participle of cupel English)
WordNet
cupelling
See cupel
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]