Penrose triangle en · NOUN
Etymology
Named after English mathematician Roger Penrose (1931–) who popularised it in the 1950s.
Meanings
- An optical illusion depicting an impossible solid object made of three straight beams of square cross section which meet pairwise at right angles at the vertices of the triangle they form.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Penrose triangles | Number=Plur | lexicographic |