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1. (n.) cupel
a small, porous cup, usu. made of bone ash, used in assaying, as for separating gold and silver from lead.
2. cupel
a receptacle or furnace bottom in which silver is refined.
3. (v.t.) cupel
to heat or refine in a cupel.
Etymology: (1595–1605; < ML cūpella= L cūp(a) tub +-ella dim. suffix)
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| Definition of 'cupel' |
Princeton's WordNet |
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1. (noun) bone-ash cup, cupel, refractory pot
a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
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| Definition of 'cupel' |
Webster Dictionary |
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1. (noun) cupel
a shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime)
2. (verb) cupel
to refine by means of a cupel
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Definitions of cupel 
