Definition of Zöllner illusion in English:

Zöllner illusion

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


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.


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

Definition of Zöllner illusion in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
cause (someone) to lose confidence or hope; dispirit