English

Alternative forms

• non-orientable

Adjective

nonorientable ‎(not comparable)

1. (topology) Not able to be oriented.

   The Möbius strip is a nonorientable surface.

   Through every point of a nonorientable surface there passes a Möbius-like nonorientable strip (with an odd number of half-twists) which is part of that surface.

Antonyms

• orientable