follow Dictionary.com

How do you spell Hannukah?

Müller-Lyer illusion

[muhl-er-lahy-er, myoo-ler-, mil-er-; German myl-uh r-lee-uh r] /ˈmʌl ərˈlaɪ ər, ˈmyu lər-, ˈmɪl ər-; German ˈmül ərˈli ər/
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.
Origin
after Franz-Karl Müller-Lyer (1857-1916), German sociologist, who described the illusion in 1889
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for müllerlyer illusion

Müller-Lyer illusion

/ˈmuːləˈlaɪə/
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
Word Origin
C19: named after Franz Müller-Lyer (1857–1916), German sociologist and psychiatrist
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
Cite This Source

Word of the Day

Difficulty index for Müller-Lyer illusion

Few English speakers likely know this word

Word Value for müllerlyer

0
0
Scrabble Words With Friends