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1

cupel

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noun cu·pel \kyü-ˈpel, ˈkyü-pəl\

Definition of cupel

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




2

cupel

verb, cu·pel

Definition of cupel

cupelled or cupeledcupelling or cupeling

  1. transitive verb
  2. :  to refine by means of a cupel

cupeller noun


1644

First Known Use of cupel

1644


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