Try Our Apps


The Word of the Year is...

Zollner illusion

[tsuhl-ner; German tsœl-nuh r] /ˈtsʌl nər; German ˈtsœl nər/
noun, Psychology.
a spatial illusion in which parallel lines intersected by short oblique lines are perceived as converging or diverging.
Origin of Zollner illusion
1950-55; named after J. K. F. Zöllner, 19th-century German physicist Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source

Word of the Day

Difficulty index for Zollner illusion

Few English speakers likely know this word

Word Value for Zollner

Scrabble Words With Friends

Nearby words for zollner illusion