Möbius stripPronunciation: /ˈməːbɪəs/Definition of Möbius strip noun a surface with one continuous side formed by joining the ends of a rectangle after twisting one end through 180°. Origin: early 20th century: named after August F. Möbius (1790–1868), German mathematicianMöbius strip in other Oxford dictionaries Definition of Möbius strip in the US English dictionary