单词 | cupel |
释义 | cupel (once / 60303 pages) n WORD FAMILY cupel: cupels USAGE EXAMPLESFinally, in the same way that gold and silver are separated from lead in a cupel, so also are they separated in the cupellation furnace. Agricola, Georgius, De Re Metallica, Translated from th...(2011) These he placed in the little porous vessels made of compressed bone ash, called cupels, which had been slowly heating in the furnace. White, Stewart Edward, The Westerners(2011) The resulting lead button hammered into shape and carefully cleansed from slag is ready for the cupel. Various, Encyclopaedia Britannica, 11th Edit...(2010) n a small porous bowl made of bone ash used in assaying to separate precious metals from e.g. lead Syn|Hyper bone-ash cup, refractory pot vessel an object used as a container (especially for liquids) |
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