Metallurgy. The purer or more metallic part of a mineral, which sinks to the bottom of a crucible or furnace and is thereby separated out. Hence…
单词 | θ215474 |
释义 | society > occupation and work > materials > raw material > mineral material > ore > [noun] > product of smelting (2) regulus1709 Metallurgy. The purer or more metallic part of a mineral, which sinks to the bottom of a crucible or furnace and is thereby separated out. Hence… regule1778 An impure form of metal, esp. copper, obtained by roasting or melting ore. Cf. regulus, n. 3b. |
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