noun
Möbius strip
A surface with only one side and one edge, formed by twisting a strip and joining the ends. Also called メビウスの帯.
See also: メビウスの帯 (メビウスのおび)
メビウスの輪は、表と裏の区別がない不思議な図形です。
The Möbius strip is a curious shape with no distinction between front and back.