单词 | calcite |
释义 | calcite[ kal-sahyt ] / ˈkæl saɪt / nounone of the commonest minerals, calcium carbonate, CaCO3, found in a great variety of crystalline forms: a major constituent of limestone, marble, and chalk; calc-spar. Origin of calciteFirst recorded in 1840–50; calc- + -ite1 OTHER WORDS FROM calcitecal·cit·ic [kal-sit-ik], /kælˈsɪt ɪk/, adjectiveWords nearby calcitecalciphile, calciphilia, calciphobe, calciphylaxis, calciprivic, calcite, calcitonin, calcitriol, calcium, calcium antagonist, calcium arsenate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for calciteBritish Dictionary definitions for calcitecalcite / (ˈkælsaɪt) / nouna colourless or white mineral (occasionally tinged with impurities), found in sedimentary and metamorphic rocks, in veins, in limestone, and in stalagmites and stalactites. It is used in the manufacture of cement, plaster, paint, glass, and fertilizer. Composition: calcium carbonate. Formula: CaCO 3 . Crystal structure: hexagonal (rhombohedral) Derived forms of calcitecalcitic (kælˈsɪtɪk), adjectiveCollins 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 calcitecalcite [ kăl′sīt′ ] A usually white, clear, pale-yellow or blue orthorhombic mineral. Calcite occurs in many different forms and is the main component of chalk, limestone, and marble. It is a polymorph of aragonite. Chemical formula: CaCO3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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