Advertisement

Advertisement

ü- illusion

[ muhl-er-lahy-er, myoo-ler-, mil-er-; German myl-uhr-lee-uhr ]

noun

  1. a geometric illusion in which two lines of equal length appear unequal depending on whether angular lines forming arrowheads at each end point toward or away from each other.


ü- illusion

/ ˈːəˈɪə /

noun

  1. an optical illusion in which a line with inward pointing arrowheads is seen as longer than an equal line with outward pointing arrowheads
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Discover More

Word History and Origins

Origin of ü- illusion1

After Franz-Karl ü- (1857–1916), German sociologist, who described the illusion in 1889
Discover More

Word History and Origins

Origin of ü- illusion1

C19: named after Franz ü- (1857–1916), German sociologist and psychiatrist
Discover More

Example Sentences

Examples have not been reviewed.

The kids also fell for the ü- illusion, a pair of lines with arrowheads on both ends; one set of arrowheads points outward, the other inward toward the line.

From

Martinez-Conde is willing to hazard a guess at how the ü- illusion works.

From

Like Kahneman’s view of the universality of the Muller-Lyer illusion, the rational-agent model of human nature, which dominates economics, is based on a sampling error.

From

The analogy to the ü- illusion is close.

From

If you have already encountered this image, however, you recognize it as the famous ü- illusion.

From

Advertisement

Advertisement

Advertisement

Advertisement


Müllerian mimicrymullet