cupel


1cu·pel

noun \kyü-ˈpel, ˈkyü-pəl\

Definition of CUPEL

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

Origin of CUPEL

French coupelle, diminutive of coupe cup, from Late Latin cuppa
First Known Use: 1605

2cupel

verb
cupelled or cupeledcupel·ling or cupel·ing

Definition of CUPEL

transitive verb
:  to refine by means of a cupel
cu·pel·ler noun

First Known Use of CUPEL

1644

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