Word.ws English Dictionary

icositetrachoron

/aɪkoʊsɪtɛtɹəˈkoʊɹɔn/

icositetrachoron noun: a four-dimensional object with no regular three-dimensional analogue, constructed out of twenty-four octahedra.

Noun

icositetrachoron (plural icositetrachorons or icositetrachora)

  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.2011, Jin Akiyama, Ikuro Sato, The element number of the convex regular polytopes, page 270
    • The icositetrachoron (hyperdiamond, octaplex or 24-cell) is the most unique polychoron, because it has no direct analog in any other dimension.2012, Andrzej Katunin, Fractals based on regular convex polytopes, page 56
    Synonyms:
    24-cell

Synonyms of icositetrachoron

Forms of icositetrachoron

pluralicositetrachorons
pluralicositetrachora

Origin of icositetrachoron

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

Questions about icositetrachoron

What does icositetrachoron mean?
Icositetrachoron means a four-dimensional object with no regular three-dimensional analogue, constructed out of twenty-four octahedra.
What part of speech is icositetrachoron?
Icositetrachoron is a noun.
How do you pronounce icositetrachoron?
Icositetrachoron is pronounced /aɪkoʊsɪtɛtɹəˈkoʊɹɔn/.
What is the plural of icositetrachoron?
The plural of icositetrachoron is icositetrachorons.

Words near icositetrachoron in the dictionary

  1. icosikaidigons
  2. icosioctahedra
  3. icosioctahedron
  4. icosioctahedrons
  5. icositetrachora
  6. icositetrachoron
  7. icositetrachorons
  8. icositetragon
  9. icositetragons
  10. icositetrahedra
  11. icositetrahedron

Source and license

Adapted from Wiktionary: icositetrachoron (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-icositetrachoron.wav.

Cite this entry: “icositetrachoron.” Word.ws, https://word.ws/icositetrachoron. Based on Wiktionary, CC BY-SA 4.0.