单词 | cupel |
释义 | cu·pel ![]() n. 1. A porous cup, often made of bone ash, used in assaying to separate precious metals from base elements such as lead. 2. The bottom or receptacle in a silver-refining furnace. tr.v. cu·peled, cu·pel·ing, cu·pels or cu·pelled or cu·pel·ling To assay or separate from base metals in a cupel. [French coupelle, from Old French, diminutive of coupe, cup, from Late Latin cuppa, drinking vessel.] cupel·ler, cupel·er n. |
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