单词 | pitchblende |
释义 | pitchblende (once / 97681 pages) n WORD FAMILY pitchblende USAGE EXAMPLESPierre and Marie liked nothing better than weighing out a 100-gram sample of pitchblende and grounding it with a mortar and pestle. Washington Post(Mar 03, 2013) At St Ives, pitchblende is now being worked for radium. Baring-Gould, S. (Sabine), Cornwall(2011) It is a constituent of pitchblende, which is found in many places, but only in a small way. Warder, George Woodward, The Universe a Vast Electric Organi...(2011) n a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore Syn|Hyper uraninite uranium ore any ore from which uranium can be extracted |
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