单词 | volcanic iron |
释义 | > as lemmasvolcanic iron volcanic iron n. [after French fer volcanique (1791 or earlier)] now rare iron minerals deposited by fumaroles or resulting from other volcanic activity, spec. haematite or (occasionally) metallic iron. ΚΠ 1800 Philos. Mag. 7 182 He [sc. Haüy] had already announced, in an extract from his treatise, that the crystals of volcanic iron were not segments of the regular octaedron, as believed. 1815 A. Aikin Man. Mineral. (ed. 2) 99 Volcanic or Specular Iron occurs in very compressed and irregular crystals. 1911 F. G. Carpenter How World Housed xvii. 155 Iron is never pure as it lies in the earth, although in Greenland a ledge of almost pure volcanic iron is known to exist. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。