| 单词 | calcium carbonate |
| 释义 | calcium carbonatenouna white, crystalline, water-insoluble, tasteless powder, CaCO3, occurring in nature in various forms, as calcite, chalk, and limestone: used chiefly in dentifrices and polishes and in the manufacture of lime and cement. Origin of calcium carbonateFirst recorded in 1870–75 Words nearby calcium carbonatecalcium, calcium antagonist, calcium arsenate, calcium blocker, calcium carbide, calcium carbonate, calcium channel blocker, calcium chloride, calcium cyanamide, calcium cyanide, calcium cyclamate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for calcium carbonatecalcium carbonate nouna white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO 3 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 Medical definitions for calcium carbonatecalcium carbonate n.A calcium salt used as a dietary supplement and as an antacid. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for calcium carbonatecalcium carbonate A white or colorless crystalline compound occurring naturally in chalk, limestone, and marble and in the minerals calcite and aragonite. It is used to make toothpaste, white paint, and cleaning powder. Chemical formula: CaCO3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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