英语词汇“pterolite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

pterolite

† pterolite n. [after German Pterolith (A. Breithaupt 1865, in Berg- u. hüttenmännische Zeitung 24 336/2)] Mineralogy Obsolete a mixture of aegirine and lepidomelane occurring as fan-shaped aggregates and formerly regarded as a distinct mineral.

ΚΠ

1868 J. D. Dana Syst. Mineral. (ed. 5) 308 Pterolite of Breithaupt..appears to be an altered lepidomelane, of a pearly lustre.

1887 Amer. Naturalist 21 473 Pterolite, which Dana supposed to be an altered lepidomelane, Lacroix found to be a mixture of several distinct minerals, of which the most important are a black mica and a strongly pleochroic pyroxene.

extracted from ptero-comb. form

as lemmas

单词	pterolite
释义	> as lemmas pterolite † pterolite n. [after German Pterolith (A. Breithaupt 1865, in Berg- u. hüttenmännische Zeitung 24 336/2)] Mineralogy Obsolete a mixture of aegirine and lepidomelane occurring as fan-shaped aggregates and formerly regarded as a distinct mineral. ΚΠ 1868 J. D. Dana Syst. Mineral. (ed. 5) 308 Pterolite of Breithaupt..appears to be an altered lepidomelane, of a pearly lustre. 1887 Amer. Naturalist 21 473 Pterolite, which Dana supposed to be an altered lepidomelane, Lacroix found to be a mixture of several distinct minerals, of which the most important are a black mica and a strongly pleochroic pyroxene. extracted from ptero-comb. form < as lemmas
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