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Definisi 'cupel'
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English to English noun
| 1 |
a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead |  | source: wordnet30
| 2 |
A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime). | | source: webster1913 verb
| 3 |
To refine by means of a cupel. | | source: webster1913
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