单词 | letovicite |
释义 | letoviciten. Mineralogy. An acid ammonium sulphate, (NH4)3H(SO4)2, found as colourless prismatic crystals in coal-mine waste-heaps. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two elements > acidic letovicite1932 1932 Mineral. Abstr. V. 145 Associated with this are gypsum and a new mineral (letovicite) as minute colourless pseudo-hexagonal plates. 1968 I. Kostov Mineral. ii. ix. 503 Letovicite, lecontite, and mirabilite..are optically negative. This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2019). < n.1932 |
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。