Definition of non-orientable in English:

non-orientable

adjective ˌnɒnɒrɪˈɛntəblˌnɒnɔːrɪˈɛntəbl

Mathematics

Of a manifold: not having a well-defined global coordinate system; not orientable; specifically (of a surface) such that a figure in the surface can be continuously transformed into its mirror image by taking it round a closed path in the surface.

1920s; earliest use found in Transactions of the American Mathematical Society. From non- + orientable.

adjective

Mathematics

Of a manifold: not having a well-defined global coordinate system; not orientable; specifically (of a surface) such that a figure in the surface can be continuously transformed into its mirror image by taking it round a closed path in the surface.

1920s; earliest use found in Transactions of the American Mathematical Society. From non- + orientable.

词汇	non-orientable
释义	Definition of non-orientable in English: non-orientable adjective ˌnɒnɒrɪˈɛntəblˌnɒnɔːrɪˈɛntəbl Mathematics Of a manifold: not having a well-defined global coordinate system; not orientable; specifically (of a surface) such that a figure in the surface can be continuously transformed into its mirror image by taking it round a closed path in the surface. Origin 1920s; earliest use found in Transactions of the American Mathematical Society. From non- + orientable. Definition of non-orientable in US English: non-orientable adjective Mathematics Of a manifold: not having a well-defined global coordinate system; not orientable; specifically (of a surface) such that a figure in the surface can be continuously transformed into its mirror image by taking it round a closed path in the surface. Origin 1920s; earliest use found in Transactions of the American Mathematical Society. From non- + orientable.
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