英语词汇“purple copper ore”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

purple copper ore

purple copper ore n. Mineralogy (now rare) a purple ore of copper; spec. bornite.

ΚΠ

a1728 J. Woodward Attempt Nat. Hist. Fossils Eng. (1729) 198 A glossy Purple Copper-Ore. Comarten, Devonshire.

1865 Times 27 Mar. 4/5 These [lodes] contain purple copper ore and gray copper ore, both extremely rich in silver.

1910 Encycl. Brit. IX. 757/1 The colour on a freshly fractured surface is bronzy or coppery, but in moist air this rapidly tarnishes with iridescent blue and red colours; hence the names purple copper ore, variegated copper ore.., horse-flesh ore, and erubescite.

extracted from purpleadj.n.

as lemmas

单词	purple copper ore
释义	> as lemmas purple copper ore purple copper ore n. Mineralogy (now rare) a purple ore of copper; spec. bornite. ΚΠ a1728 J. Woodward Attempt Nat. Hist. Fossils Eng. (1729) 198 A glossy Purple Copper-Ore. Comarten, Devonshire. 1865 Times 27 Mar. 4/5 These [lodes] contain purple copper ore and gray copper ore, both extremely rich in silver. 1910 Encycl. Brit. IX. 757/1 The colour on a freshly fractured surface is bronzy or coppery, but in moist air this rapidly tarnishes with iridescent blue and red colours; hence the names purple copper ore, variegated copper ore.., horse-flesh ore, and erubescite. extracted from purpleadj.n. < as lemmas
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