An optical illusion in which long parallel lines appear to diverge or converge when crossed by rows of short oblique lines.
- 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:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.