adjective
also cal·car·i·ous kalˈka(a)rēəs, -ker-, -kār-
Etymology: calcareous alteration (influenced by -eous ) of calcarious, from Latin calcarius of lime, from calc-, calx lime + -arius -ary — more at chalk
1.
a. : like calcite or calcium carbonate especially in hardness
b. : consisting of or containing calcium carbonate
c. : containing calcium or any calcium compound
d. : relating to rocks containing calcium carbonate
2. : growing on limestone or in soil impregnated with lime
a calcareous plant
• cal·car·e·ous·ly adverb
• cal·car·e·ous·ness noun -es