transitive. To refine (metal). Obsolete (rare after 16th cent.).
| 单词 | θ209457 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (transitive)] > refine > refine gold or silver (2) affine?1473 transitive. To refine (metal). Obsolete (rare after 16th cent.). concentrate1873 transitive. Mining. To convert (ore, or a metal or mineral in it) into a richer or purer form by mechanical or physical means. |
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