| 单词 | brass lump |
| 释义 | > as lemmasbrass lump brass lump n. a miners' term for massive iron pyrites or marcasite. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > marcasite or related minerals marcasite?c1425 pyrites1567 marcasin1601 Jew's stone1617 copperas-stone1640 brass lump1675 spear pyrites1837 1675 Philos. Trans. 1674 (Royal Soc.) 9 222 Pieces of the ordinary Fire~stones or Marcasite of the Coal-pits which here we call Brass-lumps. 1758 J. Walker in Philos. Trans. 1757 (Royal Soc.) 50 146 It is..exceeding ponderous, and of a shining yellow colour, and is called by the miners brass lumps. < as lemmas |
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