Meanings
nounZöllner illusion (plural Zöllner illusions)
plural Zöllner illusions · alternative Zoellner illusion
- An optical illusion in which parallel lines are made to appear convergent or divergent by means of oblique intersections.
Synonyms: Zöllner's lines
Synonyms & antonyms
nounAn optical illusion in which parallel lines are made to appear convergent or divergent by means of oblique intersections.
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Also see
Origin
Discovered by German astrophysicist Johann Karl Friedrich Zöllner.
Full word history & related roots →Cite this entry
APA
Zöllner illusion. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Z%C3%B6llner%20illusion
MLA
“Zöllner illusion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Z%C3%B6llner%20illusion. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Zöllner illusion,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Z%C3%B6llner%20illusion.
Source: Zöllner illusion on Wiktionary, CC BY-SA 4.0.