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单词 cupellation
释义

Collins Concise English Dictionary © HarperCollins Publishers::
ˌcupeˈllation /ˌkjuːpɪˈleɪʃən/ n
  1. the process of recovering precious metals from lead by melting the alloy in a cupel and oxidizing the lead by means of an air blast
  2. the manufacture of lead oxide by melting and oxidizing lead
WordReference Random House Unabridged Dictionary of American English © 2024
cu•pel  (kyo̅o̅′pəl, kyo̅o̅ pel′),USA pronunciation n., v., -peled, -pel•ing or (esp. Brit.) -pelled, -pel•ling. 
n. 
  1. Metallurgya small, cuplike, porous container, usually made of bone ash, used in assaying, as for separating gold and silver from lead.
  2. Metallurgya receptacle or furnace bottom in which silver is refined.

v.t. 
  1. Metallurgyto heat or refine in a cupel.
  • Medieval Latin cūpella, equivalent. to Latin cūp(a) tub + -ella diminutive suffix
  • 1595–1605;
cu•pel•er  (kyo̅o̅′pə lər),USA pronunciation cu•pel•ler  (kyo̅o̅ pel′ər),USA pronunciation n.  cu′pel•la′tion, n. 
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更新时间：2025/2/23 7:08:43