| 单词 | pyrargillite | 
| 释义 | > as lemmaspyrargillite   pyrargillite  n.  Brit. , U.S. [ <  pyro- comb. form + ancient Greek ἄργιλλος argil n.   + -ite suffix1, after German Pyrargillit (N. von Nordenskiöld 1833,  Jahresber. über die Fortschritte der Physischen Wissensch. 7 174), so called on account of its clayey smell when heated]			 Mineralogy (now rare) an aluminosilicate mineral of uncertain composition containing ferrous iron, magnesium, and alkali metals, produced by alteration of cordierite. ΚΠ 1834    Amer. Jrnl. Sci. 26 387  				Pyrargillite. 1841    Penny Cycl. XIX. 153/1  				Pyrargillite occurs in four-sided prisms, with bevelled edges and massive. 1922    E. S. Dana  & W. A. Ford Textbk. Mineral. 		(ed. 3)	 498  				The mineral [sc. Iolite] in this altered condition has many names:..pyrargillite from Helsingfors; esmarkite and praseolite from near Brevik, Norway [etc.]. < 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。