| 释义 |
† copperas-stone Obs.
A former name of iron pyrites or Marcasite.
1640Jrnl. Ho. Commons II. 33 The Patent concerning Coporis Stones. 1652French Yorksh. Spa vi. 58 Take Copperas stone, which is a certain Sulphurious glittering Marcasite. 1694Slare in Phil. Trans. XVIII. 218 He was Master of a Copperas Work at Whitstable in Kent, and engrossed all the Pyrites or Copperas-stone. 1776Seiferth tr. Gellert's Metal. Chym. 497 Pyrites, or Copperas-stone. |
