单词 | limestone |
释义 | limestone[ lahym-stohn ] / ˈlaɪmˌstoʊn / SEE SYNONYMS FOR limestone ON THESAURUS.COM nouna sedimentary rock consisting predominantly of calcium carbonate, varieties of which are formed from the skeletons of marine microorganisms and coral: used as a building stone and in the manufacture of lime. Compare marble. Origin of limestoneFirst recorded in 1515–25; lime1 + stone Words nearby limestonelimequat, limerence, limerick, limes, limescale, limestone, limestone lettuce, limestone pavement, lime sulfur, lime tree, lime twig Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for limestoneBritish Dictionary definitions for limestonelimestone / (ˈlaɪmˌstəʊn) / nouna sedimentary rock consisting mainly of calcium carbonate, deposited as the calcareous remains of marine animals or chemically precipitated from the sea: used as a building stone and in the manufacture of cement, lime, etc 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 Cultural definitions for limestonelimestone Sedimentary rock formed primarily of calcium carbonate, often the skeletons of small marine organisms. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for limestonelimestone [ līm′stōn′ ] A sedimentary rock consisting primarily of calcium carbonate, often in the form of the minerals calcite or aragonite, and sometimes with magnesium carbonate in the form of dolomite. Minor amounts of silica, feldspar, pyrite, and clay may also be present. Limestone can occur in many colors but is usually white, gray, or black. It forms either through the accumulation and compaction of fossil shells or other calcium-carbonate based marine organisms, such as coral, or through the chemical precipitation of calcium carbonate out of sea water. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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