English Explanatory Dictionary

Alexander horned sphere

English dictionary entry

Meanings

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

Word forms

Alexander horned sphere Alexander horned spheres

Etymology

Discovered by J. W. Alexander (1924).

Related words

Alexander horned ball Antoine's horned sphere
This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.
Back to search All on A Russian dictionary Dahl dictionary