Last Updated
：2025/11/20
Klein bottle
（ plural ）
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(mathematics) The closed manifold obtained by identifying the boundary components of the annulus so that the resultant surface is nonorientable.
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Klein bottle
When visualized in three-dimensional space, a Klein bottle appears to intersect itself even though it is a single nonorientable surface.
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When visualized in three-dimensional space, a Klein bottle appears to intersect itself even though it is a single nonorientable surface.
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