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Zollner illusion

American  
[tsuhl-ner, tsœl-nuhr] / ˈtsʌl nər, ˈtsœl nər /

noun

Psychology.

  1. a spatial illusion in which parallel lines intersected by short oblique lines are perceived as converging or diverging.

Etymology

Origin of Zollner illusion

1950–55; named after J. K. F. Zöllner, 19th-century German physicist

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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