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cu·pel | \ kyü-ˈpel 
, ˈkyü-pəl \
, ˈkyü-pəl \Definition of cupel
(Entry 1 of 2)
: a small shallow porous cup especially of bone ash used in assaying to separate precious metals from lead
cupel
verbcupelled or cupeled; cupelling or cupeling
Definition of cupel (Entry 2 of 2)
: to refine by means of a cupel
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Time Traveler for cupel
The first known use of cupel was in 1605
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