Thesaurus: cupel
A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).
Related headwords
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Definitions
- n. A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).
- v. t. To refine by means of a cupel.
- n. a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
- n a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead