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Alexander horned sphere

Alexander horned sphere noun: a pathological object, a certain embedding of a sphere in three-dimensional Euclidean space, obtained by various modifications of a torus.

alexander horned sphere: a pathological object, a certain embedding of a sphere in three-dimensional Euclidean space,...
Image: BernardH, Public domain, via Wikimedia Commons

Noun

Alexander horned sphere (plural Alexander horned spheres)

  1. A pathological object, a certain embedding of a sphere in three-dimensional Euclidean space, obtained by various modifications of a torus.

Forms of Alexander horned sphere

pluralAlexander horned spheres

Origin of Alexander horned sphere

Discovered by J. W. Alexander (1924).

Questions about Alexander horned sphere

What does Alexander horned sphere mean?
Alexander horned sphere means a pathological object, a certain embedding of a sphere in three-dimensional Euclidean space, obtained by various modifications of a torus.
What part of speech is Alexander horned sphere?
Alexander horned sphere is a noun.
What is the plural of Alexander horned sphere?
The plural of Alexander horned sphere is Alexander horned spheres.

Words near Alexander horned sphere in the dictionary

  1. Alexander beetles
  2. Alexander County
  3. Alexander disease
  4. Alexander Hamilton
  5. Alexander Hamiltons
  6. Alexander horned sphere
  7. Alexander horned spheres
  8. Alexander I Island
  9. Alexander Island
  10. Alexander palm
  11. Alexander palms

Source and license

Adapted from Wiktionary: Alexander horned sphere (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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