Definition of cupel
: a small shallow porous cup especially of bone ash used in assaying to separate precious metals from lead
From the M-W Editors
Origin and Etymology of cupel
French coupelle, diminutive of coupe cup, from Late Latin cuppa
First Known Use: 1605
2
cupel
verb
cu·pel
Definition of cupel
cupelled
orcupeled
;cupelling
orcupeling
transitive verb
: to refine by means of a cupel
cupeller
noun1644
First Known Use of cupel
1644
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