| 单词 | cupel-dust |
| 释义 | > as lemmascupel-dust † †cupel-dust n. Obsolete ashes and dust used in purifying metals. ΘΚΠ the world > matter > properties of materials > temperature > heat > burning > products of burning > [noun] > ashes or cinders > specific ashes soap-ashes?1520 gravelled ashes1579 bone ash1594 cupel-dusta1626 polverine1662 peat ash1669 kelp1679 clar1683 cupel-ashes1683 wood-ash1748 bone earth1770 kelp-ashes1834 white ash1837 weed ash1841 fly ash1931 a1626 F. Bacon Physiol. Remains in Baconiana (1679) 100 It may be also tried, by incorporating Pouder of Steel, or Copple Dust. < as lemmas |
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