DICT.TW Dictionary Taiwan

 do·lo·mite /ˈdoləˌmaɪt, ˈdɑ-/
 白雲石

 dol·o·mite n.  Geol. & Min. A mineral consisting of the carbonate of lime and magnesia in varying proportions. It occurs in distinct crystals, and in extensive beds as a compact limestone, often crystalline granular, either white or clouded. It includes much of the common white marble. Also called bitter spar.
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 dolomite
      n 1: a kind of sedimentary rock resembling limestone but
           consisting almost entirely of the mineral dolomite
      2: a light colored mineral consisting of calcium magnesium
         carbonate; a source of magnesium; used as a ceramic and as
         fertilizer