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单词 calcium carbonate
释义

WordReference Random House Unabridged Dictionary of American English © 2024
calcium carbonate, 
  1. Chemistrya 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.
  • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
calcium carbonate n
  1. a white crystalline salt occurring in limestone, chalk, marble, calcite, coral, and pearl: used in the production of lime and cement. Formula: CaCO3
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