Definition of Zöllner illusion in English:

Zöllner illusion

Syllabification: Zöll·ner il·lu·sion
Pronunciation: /ˈtsəlnər, ˈzôl-
 
/

noun

An optical illusion in which long parallel lines appear to diverge or converge when crossed by rows of short oblique lines.
More example sentences
  • The Poggendorff illusion was actually derived from another famous illusion - the Zöllner illusion.
  • It may be that the Zöllner illusion is caused by this impression of depth.

Origin

late 19th century: named after Johann K. F. Zöllner (1834–82), German physicist.

Definition of Zöllner illusion in:

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Word of the day guzzle
Pronunciation: ˈgəzəl
verb
eat or drink (something) greedily