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单词 samarskite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sa•mar•skite  (sə mär′skīt),USA pronunciation n. 
  1. Mineralogya velvet-black mineral, a complex columbate-tantalate of uranium, cerium, etc., occurring in masses: a minor source of uranium, thorium, and rare-earth oxides.
  • German Samarskit (1847), after Russian mining engineer V.English. Samarskiĭ- Bykhovets (1803–70); see -ite1

Collins Concise English Dictionary © HarperCollins Publishers::
samarskite /səˈmɑːskaɪt/ n
  1. a velvety black mineral of complex composition occurring in pegmatites: used as a source of uranium and certain rare earth elements
Etymology: 19th Century: named after Colonel von Samarski, 19th-century Russian inspector of mines
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更新时间：2025/2/23 13:47:04