24-cell

Fetched 2026-10-26 (cache).

Synonyms: 24, 2d, 2a, 22, 20, 21, a4, t4, 14, 25, 29

Antonyms: 24, 2d, 2a, 22, 20, 21, a4, t4, 14, 25, 29

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|geometry}} A [[four-dimensional]] [[polytope]] whose twenty-four bounding [[facet]]s are [[octahedron|octahedra]] and which has no three-dimensional analogue. {{C|en|Higher-dimensional geometry}}

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