Cupel(n.) A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).
Cupel(v. t.) To refine by means of a cupel.
Cupellation(n.) The act or process of refining gold or silver, etc., in a cupel.
Cupelled(imp. & p. p.) of Cupel
Cupelling(p. pr. & vb. n.) of Cupel

Words within cupelling