[1] : The Collaborative International Dictionary of English v.0.48

calcareous \calca"reous\, a. l. calcarius pertaining to lime.
   see calx.
   partaking of the nature of calcite or calcium carbonate;
   consisting of, or containing, calcium carbonate or carbonate
   of lime.
   1913 webster

   calcareous spar. see as calcite.
      1913 webster
see also:
calx calcareous spar calcite 

[2] : WordNet (r) 2.0

calcareous
     adj : composed of or containing or resembling calcium carbonate or
           calcite or chalk syn: chalky
see also:
chalky 

Calcareous >> C Words
Calcareous, definition of term: Calcareous
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