Ehrenstein illusion

短语

词形变化

Ehrenstein illusions 复数 Ehrenstein illusions

释义与例句

n.
  1. 1.

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

词源

Studied by the German psychologist Walter Ehrenstein (1899–1961).

来源：wiktionary