transitive. Chiefly Metallurgy and Chemistry. To subject (an ore or similar substance) to strong heat in a furnace, in order to remove impurities…
| 单词 | θ209442 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > work with metal [verb (intransitive)] > method of extracting metal from ore (1) roast1877 transitive. Chiefly Metallurgy and Chemistry. To subject (an ore or similar substance) to strong heat in a furnace, in order to remove impurities… |
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