galena
/guh-lee-nuh/US // gəˈli nə //UK // (ɡəˈliːnə) //
方铅矿,方铅笔,方解石,银杏树
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Definitions
n.名词 noun
- 1
- : a common, heavy mineral, lead sulfide, PbS, occurring in lead-gray crystals, usually cubes, and cleavable masses: the principal ore of lead.
Synonyms & Antonyms
Examples
Jessie had bought a galena crystal mounted, as that was more satisfactory, the book said.
Galena, a small town on Upper Mississippi, in the lead-mining district.
The primary sources of gold are reefs, either in quartz or in metalliferous veins of galena and the various pyrites.
The lead mines of Galena and Dubuque had gathered in somewhat larger settlements.
In 1822 Galena was visited by a Mississippi River steamboat, and a few years later regular steamboat traffic was established.
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