| 释义 |
pyrite|ˈpaɪəraɪt|
Also 6 pyrit, 6–7 pirrite.
[f. L. pyrītēs: see next. In F. pyrite (12th c.).]
†1. In early use (often pyrit(e stone = Gr. πυρίτης λίθος) = pyrites 1; fire-stone. Later, in general sense of pyrites 2. Obs.
1567J. Maplet Gr. Forest 17 b, The Pirrite must with easie hand..enholden be. 1588Greene Perimedes Wks. (Grosart) VII. 62 Resembling the Pyrite stone. 1589― Tullies Love ibid. 107 A Pyrit stone, which handled softly is as colde as ice, but pressed betweene the fingers burneth as fire. 1590― Never too late (1600) 34 Like the pyrit stone, that is, fire without, and frost within. 1688R. Holme Armoury ii. 41/2 The Pirrite is a kind of stone yellow. 1791E. Darwin Bot. Gard. i. ii. 350 Hence sable Coal his massy couch extends And stars of gold the sparkling Pyrite blends.
2. Min. Native disulphide of iron (FeS2), crystallizing in isometric forms, esp. in cubes and pyritohedra: one of the forms of iron pyrites (next, 2).
1868Dana Min. 63 The pyrite of most gold regions is auriferous. Pyrite occurs abundantly in rocks of all ages, from the oldest crystalline to the most recent alluvial deposits. 1896Chester Dict. Names Min. s.v., Pyrite..is now only applied to the disulphide of iron which crystallizes in isometric forms. |