Icositetrachoron

//aɪkoʊsɪtɛtɹəˈkoʊɹɔn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A four-dimensional object with no regular three-dimensional analogue, constructed out of twenty-four octahedra.

    "There are six convex regular 4-polytopes; five of these are the higher dimensional analogs of the Platonic solids, and one additional figure, the icositetrachoron, has no three-dimensional equivalent."

Synonyms

All synonyms
24 cell24-cell

Example

More examples

"There are six convex regular 4-polytopes; five of these are the higher dimensional analogs of the Platonic solids, and one additional figure, the icositetrachoron, has no three-dimensional equivalent."

Etymology

From icosi- (“twenty”) + tetra- (“four”) + -choron (“room”), from Ancient Greek εἴκοσι (eíkosi, “twenty”) τέτταρες (téttares, “four”) and χῶρος (khôros, “room”).

Related phrases

four dimensional

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.