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cupel

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

Origin and Etymology of cupel

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

2

cupel

verb

Definition of cupel

cupelled or cupeled; cupelling or cupeling
transitive verb
: to refine by means of a cupel
—

cupeller

noun

First Known Use of cupel

1644

in the meaning defined above

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