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Meaning of eyestone | Babel Free

Noun CEFR B2

Definitions

A small, lenticular, calcareous body, especially an operculum of a small shell of the family Tubinidae, used to remove a foreign substance from the eye.
Eye agate.

CEFR level

B2

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

See also

Eyestrain eyestreak eyestring eyestripe Eyeteeth eyethurl