depinisyon kahulugan
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doc Definition of cupel
    English to English
  • a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead
  • source: WordNet 3.0
  • A shallow porous cup, used in refining precious metals, commonly made of bone ashes (phosphate of lime).
  • source: Webster 1913
  • To refine by means of a cupel.
  • source: Webster 1913
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