nonorientable

nonorientable

English

Alternative forms

  • non-orientable

Etymology

Etymology tree
English non-
English orient
Proto-Indo-European *-tḗr
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Old French -ablebor.
Middle English -able
English -able
English orientable
English nonorientable

    From 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

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