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cupel

4 senses · Free VividLex dictionary · Thesaurus

1. n. A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime). Source: opted
2. v. t. To refine by means of a cupel. Source: opted
3. n. a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead Source: wordnet
4. n a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead Source: ecdict

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From the definitions

bone metals porous assaying bowl lead separate small ashes commonly lime means phosphate refine refining shallow

Word family

cupellation cupelled cupelling

Nearby in the alphabet

cup-moss cup-rose cup-winners CUPAL cupbearer

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