单词 | beneficiation |
释义 | > as lemmasbeneficiˈation beneficiˈation n. the reduction of ores. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > extraction from ore > smelting roastingc1350 reducing?a1425 smelting1531 trying1630 excoction1640 reduction1666 eliquation1741 roast1870 beneficiation1881 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 107 Beneficiation,..usually means the reduction of ores. < as lemmas |
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