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Meaning of Ehrenstein illusion | Babel Free

Noun CEFR B2

Definitions

An optical illusion in which the sides of a square placed inside a pattern of concentric circles take an apparent curved shape.

CEFR level

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

See also

Ehresman Ehret Ehrhardt Ehrhart ehrhartoid EHRI

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