单词 | dolomite |
释义 | dolomite[ doh-luh-mahyt, dol-uh- ] / ˈdoʊ ləˌmaɪt, ˈdɒl ə- / nouna very common mineral, calcium magnesium carbonate, CaMg(CO3)2, occurring in crystals and in masses. a rock consisting essentially or largely of this mineral. Origin of dolomite1785–95; <French, named after D. de Dolom (ieu) (1750–1801), French mineralogist; see -ite1 OTHER WORDS FROM dolomitedol·o·mit·ic [dol-uh-mit-ik], /ˌdɒl əˈmɪt ɪk/, adjectiveWords nearby dolomitedolman sleeve, dolmen, Dolmetsch, Dolní Věstonice, Dolobid, dolomite, dolomite marble, Dolomites, dolomitization, dolomitize, Dolon Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for dolomiteBritish Dictionary definitions for dolomitedolomite / (ˈdɒləˌmaɪt) / nouna 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(CO 3) 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 Derived forms of dolomitedolomitic (ˌdɒləˈmɪtɪk), adjectiveWord Origin for dolomiteC18: named after Déodat de Dolomieu (1750–1801), French mineralogist Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for dolomitedolomite [ dō′lə-mīt′, dŏl′ə-mīt′ ] A gray, pink, or white rhombohedral mineral. Dolomite occurs in curved saddlelike crystals with a pearly to glassy luster. It is a common rock-forming mineral. Chemical formula: CaMg(CO3)2. A sedimentary rock containing more than 50 percent of the mineral dolomite by weight. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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