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单词 manganite
释义 manganite
 /mang"geuh nuyt'/,  n.  
  1. a gray to black mineral, hydrous manganese oxide, MnO(OH); gray manganese ore.
  2.  Chem.   any of a series of salts containing tetravalent manganese and derived from either of two acids, H4MnO4 or H2MnO3.
 [1820-30; MANGAN(ESE) + -ITE1]
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更新时间:2024/12/22 23:14:52