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cupel
[ kyoo-puhl, kyoo-pel ]
noun
- a small, cuplike, porous container, usually made of bone ash, used in assaying, as for separating gold and silver from lead.
- a receptacle or furnace bottom in which silver is refined.
verb (used with object)
- to heat or refine in a cupel.
cupel
/ kj蕣藞p蓻l; 藞kju藧p蓹l /
noun
- a refractory pot in which gold or silver is refined
- a small porous bowl made of bone ash in which gold and silver are recovered from a lead button during assaying
verb
- tr to refine (gold or silver) by means of cupellation
Derived Forms
- 藞肠耻辫别濒濒别谤, noun
Other 亚洲网紅露点 Forms
- 肠耻路辫别濒路别谤 [kyoo, -p, uh, -ler], 肠耻路辫别濒路濒别谤 [kyoo-, pel, -er], noun
- 肠耻顎卲别濒路濒补顎僼颈辞苍 noun
亚洲网紅露点 History and Origins
Origin of cupel1
亚洲网紅露点 History and Origins
Origin of cupel1
Example Sentences
To enable cupels of the best quality to be made, all the impurities must be removed from the ashes.
The goldsmith not content with the touch-stone and the application of aquafortis, exposed the metal on the cupel with lead and fused it with antimony, but it sustained no loss.
These he placed in the little porous vessels made of compressed bone ash, called cupels, which had been slowly heating in the furnace.
The resulting lead button hammered into shape and carefully cleansed from slag is ready for the cupel.
The cupel has the remarkable power of absorbing the oxides of metal, and so in an hour or so there is nothing left in it save a little bead of silver and gold.
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