originally. The cupel used in treating gold or silver alloys or ore; now esp. the cupel, with the iron frame or basket which contains it, forming…
| 单词 | θ212726 |
| 释义 | society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > hearth or floor of furnace > movable (4) test1555 originally. The cupel used in treating gold or silver alloys or ore; now esp. the cupel, with the iron frame or basket which contains it, forming… test-bottom1853 = sense 1; also, the cake of gold or silver formed in the bottom of a cupel. cupel1862 A small flat circular porous vessel, with a shallow depression in the middle, made of pounded bone-ash pressed into shape by a mould, and used in… Subcategories:— frame for (1) |
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