Penrose staircase

Noun

Meaning

Penrose staircase (plural Penrose staircases)

An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to be one.

Source: en.wiktionary.org

Synonyms

Penrose stairs Penrose steps

Close letter words and terms

Penrose drain Penrose mechanism Penrose process Penrose stairs Penrose steps Penrose transform