calcium carbonate

Noun
  1. A salt found in nature as chalk or calcite or aragonite or limestone (synset 114961043)
    is a type of: carbonate - a salt or ester of carbonic acid (containing the anion CO3)
    subtypes: dripstone - the form of calcium carbonate found in stalactites and stalagmites
    substance meronym:
    • chalk - a soft whitish calcite
    • calcite - a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone

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