英语词汇“pyromelane”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

pyromelane

pyromelane n.

Brit.

/pʌɪˈrɒməleɪn/

U.S.

/paɪˈrɑməˌleɪn/

[ < pyro- comb. form + ancient Greek μέλας black (see melano- comb. form) + -ane suffix², so called because it turns black when heated] Mineralogy (now disused) = brookite n.

ΚΠ

1856 C. U. Shepard in Amer. Jrnl. Sci. 22 96 Pyromelane. Found in crystalline grains of the size of kernels of Indian corn.

1868 J. D. Dana Syst. Mineral. (ed. 5) Suppl. 803 Pyromelane... Perhaps a variety of titanite.

1930 Amer. Mineralogist 15 204 Since the..properties attributed to pyromelane are identical with those of brookite, this mineral should be referred to as brookite and the name pyromelane dropped.

extracted from pyro-comb. form

as lemmas

单词	pyromelane
释义	> as lemmas pyromelane pyromelane n. Brit. /pʌɪˈrɒməleɪn/ , U.S. /paɪˈrɑməˌleɪn/ [ < pyro- comb. form + ancient Greek μέλας black (see melano- comb. form) + -ane suffix², so called because it turns black when heated] Mineralogy (now disused) = brookite n. ΚΠ 1856 C. U. Shepard in Amer. Jrnl. Sci. 22 96 Pyromelane. Found in crystalline grains of the size of kernels of Indian corn. 1868 J. D. Dana Syst. Mineral. (ed. 5) Suppl. 803 Pyromelane... Perhaps a variety of titanite. 1930 Amer. Mineralogist 15 204 Since the..properties attributed to pyromelane are identical with those of brookite, this mineral should be referred to as brookite and the name pyromelane dropped. extracted from pyro-comb. form < as lemmas
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