cupel

1 of 2

noun

cu·​pel kyü-ˈpel  ˈkyü-pəl 

: a small shallow porous cup especially of bone ash used in assaying to separate precious metals from lead

cupel

2 of 2

verb

cupelled or cupeled; cupelling or cupeling

transitive verb

: to refine by means of a cupel

cupeller noun

Word History

Etymology

Noun

French coupelle, diminutive of coupe cup, from Late Latin cuppa

First Known Use

Noun

1605, in the meaning defined above

Verb

1644, in the meaning defined above