horosphere

Fetched 2026-10-26 (cache).

Synonyms: homosphere, noosphere, ionosphere, photosphere, hydrosphere, aerosphere, zoosphere, thyrosphere, oosphere, podosphere, pyrosphere, virosphere

Antonyms: homosphere, noosphere, ionosphere, photosphere, hydrosphere, aerosphere, zoosphere, thyrosphere, oosphere, podosphere, pyrosphere, virosphere

Related words from Datamuse; suggestions, not definitions.

Noun

1. An <math>n-1</math>[[-dimensional]] [[hyperplane]] in [[hyperbolic]] <math>n</math>-dimensional [[space]]: it is (in the [[Poincaré disk]]) [[Euclidean]]-[[tangent]] at [[infinity]] to the [[boundary]] [[sphere]] or (in the upper-half-space [[model]]) Euclidean-[[parallel]] to the boundary hyperplane.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.