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Alternative forms

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  • non-orientable

Etymology

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non- +‎ orientable

Adjective

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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

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