Dictionary

1cupel

noun cu·pel \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
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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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