calcareous


calcareous

adjective

  1. of, containing, or like calcium carbonate; chalky: calcareous earth.

adjective

  1. of, containing, or resembling calcium carbonate; chalky
adj.

also calcarious, 1670s, from Latin calcarius “of lime,” from calx (genitive calcis) “lime, limestone” (see chalk (n.)).

adj.

  1. Composed of, containing, or characteristic of calcium carbonate, calcium, or limestone; chalky.

  1. Composed of or containing calcium or calcium carbonate. Calcareous rocks contain as much as 50 percent calcium carbonate.

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