Word.ws English Dictionary

hecatonicosachoron

/hɛkətɔnaɪkoʊsɪˈkoʊɹɔn/

hecatonicosachoron noun: a four-dimensional object analogous to a dodecahedron, constructed out of one hundred and twenty dodecahedra, arranged 4 to a vertex.

Noun

hecatonicosachoron (plural hecatonicosachorons or hecatonicosachora)

  1. A four-dimensional object analogous to a dodecahedron, constructed out of one hundred and twenty dodecahedra, arranged 4 to a vertex.
    • The pentachoron, the hecatonicosachoron, and the hexacosichoron all have dichoral angles which are not divisors of 2π, and consequently, they are not space-filling.2011, Jin Akiyama, Ikuro Sato, The element number of the convex regular polytopes, page 271
    • The hecatonicosachoron (dodecaplex or 120-cell) and the hexacosichoron (tet- raplex or 600-cell) are also unique polychora, which have no analogs in higher dimensions.2012, Andrzej Katunin, Fractals based on regular convex polytopes, page 57
    Synonyms:
    120-cell, dodecacontachoron

Synonyms of hecatonicosachoron

Forms of hecatonicosachoron

pluralhecatonicosachorons
pluralhecatonicosachora

Origin of hecatonicosachoron

From hecaton- (“one hundred”) + icosa- (“twenty”) + -choron (“room”), from Ancient Greek ἑκατόν (hekatón, “one hundred”) εἴκοσι (eíkosi, “twenty”) and χῶρος (khôros, “room”).

Questions about hecatonicosachoron

What does hecatonicosachoron mean?
Hecatonicosachoron means a four-dimensional object analogous to a dodecahedron, constructed out of one hundred and twenty dodecahedra, arranged 4 to a vertex.
What part of speech is hecatonicosachoron?
Hecatonicosachoron is a noun.
How do you pronounce hecatonicosachoron?
Hecatonicosachoron is pronounced /hɛkətɔnaɪkoʊsɪˈkoʊɹɔn/.
What is the plural of hecatonicosachoron?
The plural of hecatonicosachoron is hecatonicosachorons.

Words near hecatonicosachoron in the dictionary

  1. hecatomped
  2. Hecatompedon
  3. Hecatompylus
  4. Hecatoncheires
  5. hecatonicosachora
  6. hecatonicosachoron
  7. hecatonicosachorons
  8. hecatontarchies
  9. hecatontarchy
  10. hecatontome
  11. hecatontomes

Source and license

Adapted from Wiktionary: hecatonicosachoron (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-hecatonicosachoron.wav.

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