- calcareous as an adjective:
- 1
calcareous
adjective
1 calcareous
Composed of or containing or resembling calcium carbonate or calcite or chalk.
synonym: chalky.
Roget 432: gray, grey; iron-gray, dun, drab, dingy, leaden, livid, somber, sad, pearly, russet, roan; ... show more
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