Definition of calcareous in English:

calcareous

Syllabification: cal·car·e·ous
Pronunciation: /kalˈke(ə)rēəs
 
/

adjective

  • 1Containing calcium carbonate; chalky.
    More example sentences
    • Fritted iron can be used on acid soils, but it isn't suitable for use on alkaline or calcareous soils (with calcium carbonate).
    • Because of their ability to secrete calcium carbonate, calcareous red algae have a better Phanerozoic fossil record than many other groups of algal protists.
    • The Ph conditions should be ideally calcareous or neutral.
  • 1.1 Ecology (Of vegetation) occurring on chalk or limestone.
    More example sentences
    • The unit consists of limestone or calcareous mudstone and was deposited in a fully marine environment.
    • The Liard Formation is a variably thick succession of calcareous sandstone and arenaceous limestone that was deposited within and adjacent to the Peace River embayment in the Middle Triassic.
    • The Blubber Point Member, characterized by impure limestone and calcareous sandstone with minor shale, represents shallow, inner carbonate shelf deposition.

Origin

late 17th century: from Latin calcarius (from calx, calc- 'lime') + -eous.

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a small amount; a little