Müller-Lyer illusion

English dictionary entry

Meanings

noun
  1. An optical illusion consisting of a stylized arrow whose midpoint appears to be closer to the tail end.

Word forms

Müller-Lyer illusion Müller-Lyer illusions

Etymology

Devised by Franz Carl Müller-Lyer (1857–1916), a German sociologist, in 1889.

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