cal·car·e·ous /kælˈkæriəs, ˈkɛr-/
  (a.)石灰質的;鈣質的
  cal·car·e·ous /kælˈkærɪəs, ˈkɛr-/ 形容詞
  石灰質的,鈣質的
  Cal·ca·re·ous a.  Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium carbonate or carbonate of lime.
  Calcareous spar. Same as Calcite.
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  calcareous
       adj : composed of or containing or resembling calcium carbonate or
             calcite or chalk [syn: chalky]