exotic sphere

noun

A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.

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Meanings

nounexotic sphere (plural exotic spheres)

plural exotic spheres

  1. A manifold (of any dimension) homeomorphic to a sphere but not diffeomorphic to the standard sphere.
Cite this entry
APA

exotic sphere. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/exotic%20sphere

MLA

“exotic sphere.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/exotic%20sphere. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “exotic sphere,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/exotic%20sphere.

Source: exotic sphere on Wiktionary, CC BY-SA 4.0.