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Definitions from WordNet

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Term: calcareous

Definition:

Calcareous refers to something containing or composed of calcium carbonate or limestone.

Possible Senses and Usages:

1. Adjective

   Sense: Relating to or resembling calcium carbonate or limestone.

   Example Sentences:

   • The calcareous rocks along the coast were formed by ancient coral reefs.
   • She found a beautiful seashell with a calcareous exterior.

2. Noun

   Sense: A creature or organism that secretes calcium carbonate to form a shell or hard structure.

   Example Sentences:

   • The coral reefs of the Great Barrier Reef are home to various calcareous organisms.
   • Scientists discovered fossilized calcareous remains of a prehistoric mollusk.

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