| 单词 | copper ore |
| 释义 | > as lemmascopper ore copper ore n. generally any ore of copper; spec. black oxide of copper, melaconite n. ΘΚΠ the world > the earth > minerals > ore > [noun] > metal ore > copper ore molybdena1661 copper ore1713 the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > general formula AO > black oxide of copper copper ore1713 melaconise1839 melaconite1850 tenorite1865 Chile copper1888 paramelaconite1892 society > occupation and work > materials > raw material > mineral material > ore > [noun] > silver or copper ore silver orec1325 copper ore1713 1713 Wyllys Papers in Connecticut Hist. Soc. Coll. XXI. 380 To dig or Cause to be dugg at the Copper Mines in Symsbury as much Copper Oar as will produce and make three Tunns and half of Copper. 1839 H. T. De la Beche Rep. Geol. Cornwall xi. 324 The interstices only between them being filled by copper-ore. < as lemmas |
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