Delboeuf illusion en · NOUN
Etymology
Discovered in 1865 by the Belgian scientist Joseph Remi Leopold Delboeuf (1831–1896).
Meanings
- An optical illusion of relative size perception, usually illustrated by two discs of identical size, one of which is surrounded by a ring.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Delboeuf illusions | Number=Plur | lexicographic |