Webster's Revised Unabridged Dictionary · 1913

Calcareous

Calcareous (kal*kā"re*us) , adjective

[Latin 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.
Collocations (1)
Calcareous spar , Same as Calcite.