Any of the metals considered less noble or valuable than gold and silver, such as lead, tin, iron, and copper (cf. noble, adj. 7b and precious metal…
| 单词 | θ216482 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > base metal > [noun] > other than gold or silver (2) base metal1568 Any of the metals considered less noble or valuable than gold and silver, such as lead, tin, iron, and copper (cf. noble, adj. 7b and precious metal… imperfect metal1588 any metal considered less perfect or valuable than gold and silver, such as lead, tin, iron, and copper (cf. perfect metal n. at perfect, adj. n.adv.… |
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