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Meaning of calcareous sponge | Babel Free

Noun CEFR B2

Definitions

Any of many sponges, of the class Calcarea, having skeletons composed of spicules of calcium carbonate

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Calcareously Calcareousness calcarifer calcarina calcarinid calcarinids