| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024do•lo•mite (dō′lə mīt′, dol′ə-),USA pronunciation n. - Mineralogya very common mineral, calcium magnesium carbonate, CaMg(CO3)2, occurring in crystals and in masses.
- Mineralogya rock consisting essentially or largely of this mineral.
- French, named after Dutch. de Dolom(ieu) (1750–1801), French mineralogist; see -ite1
- 1785–95;
Collins Concise English Dictionary © HarperCollins Publishers:: dolomite /ˈdɒləˌmaɪt/ n - a white mineral often tinted by impurities, found in sedimentary rocks and veins. It is used in the manufacture of cement and as a building stone (marble). Composition: calcium magnesium carbonate. Formula: CaMg(CO3)2. Crystal structure: hexagonal (rhombohedral)
- a sedimentary rock resembling limestone but consisting principally of the mineral dolomite. It is an important source of magnesium and its compounds, and is used as a building material and refractory
Etymology: 18th Century: named after Déodat de Dolomieu (1750–1801), French mineralogistdolomitic /ˌdɒləˈmɪtɪk/ adj |