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单词 polianite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
po•li•a•nite  (pōlē ə nīt′),USA pronunciation n. [Mineral.]
  1. Mineralogya variety of pyrolusite, MnO2, having well-developed crystals.
  • Greek poliaínesthai to grow white (with sea foam), derivative of poliós gray; see -ite1
  • German Polianit, irregularly
  • 1840–50

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更新时间:2024/9/21 16:20:59