英语词汇“rock butter”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

rock butter

rock butter n. Mineralogy (now rare) an alum-containing mineral occurring as soft crystalline deposits on rock; esp. = alunogen n.

ΘΚΠ

the world > the earth > minerals > types of mineral > sulphates > [noun] > alum > other alums

spire-alumc1375

stone-butter1796

rock butter1804

manganese alum1842

tschermigite1868

tamarugite1890

1804 R. Jameson Syst. Mineral. I. 11 Rock butter. [Ger.] Bergbutter.

1852 J. Richardson Arctic Searching Exped. viii. 164 Near Point Fitton the cliff is two hundred feet high, and contains layers of rock-butter two inches thick.

1906 New Internat. Encycl. XVII. 205/2 Rock butter, a name given to a variety of the mineral halotrichite.

extracted from rockn.¹

as lemmas

单词	rock butter
释义	> as lemmas rock butter rock butter n. Mineralogy (now rare) an alum-containing mineral occurring as soft crystalline deposits on rock; esp. = alunogen n. ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > alum > other alums spire-alumc1375 stone-butter1796 rock butter1804 manganese alum1842 tschermigite1868 tamarugite1890 1804 R. Jameson Syst. Mineral. I. 11 Rock butter. [Ger.] Bergbutter. 1852 J. Richardson Arctic Searching Exped. viii. 164 Near Point Fitton the cliff is two hundred feet high, and contains layers of rock-butter two inches thick. 1906 New Internat. Encycl. XVII. 205/2 Rock butter, a name given to a variety of the mineral halotrichite. extracted from rockn.¹ < as lemmas
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