calcareous Meaning, Definition & Usage

  1. adjective composed of or containing or resembling calcium carbonate or calcite or chalk
    chalky.

WordNet

Cal*ca"re*ous adjective
Etymology
L. calcarius pertaining to lime. See Calx.
Definitions
  1. Partaking of the nature ofcalcite or calcium carbonate; consisting of, or containg, calcium carbonate or carbonate of lime.

Webster 1913