octachoron

O1C3T1A1C3H4O1R1O1N1

noun

A four-dimensional object analogous to a cube, constructed out of eight cubes.

Scrabble 17

Meanings

nounoctachoron (plural octachorons or octachora)

plural octachorons · plural octachora

  1. mathematicsA four-dimensional object analogous to a cube, constructed out of eight cubes.

    ...completing the notation for the vertices of an elementary lattice octachoron.

    2013, Paul Jennings, Frank Nijhoff, On an elliptic extension of the Kadomtsev-Petviashvili equation, page 4
    2 more examples

    Our 16-point 4D constellation is described by the set {(±1,±1,±1,±1)}, which is indeed the set of vertices of a tesseract (i.e., a regular octachoron) [4].

    2012, Yequn Zhang, Murat Arabaci, Ivan B. Djordjevic, Rate-Adaptive Four-Dimensional Nonbinary LDPC-Coded Modulation for Long-Haul Optical Transport Networks, page 3

    The Schlegel diagram from this figure is a projection of a regular octachoron from the 4-D space to the 3-D space through a point beyond one of its facets.

    2013, Milorad Cvijetic, Ivan B. Djordjevic, Advanced Optical Communication Systems and Networks, page 357

    Synonyms: 4-cube, 8-cell, hypercube, tesseract

Synonyms & antonyms

nounA four-dimensional object analogous to a cube, constructed out of eight cubes.

Origin

  1. Ancient Greekὀκτά-“eight”
  2. Englishoctachoron

From octa- (“eight”) + -choron (“room”), from Ancient Greek ὀκτά- (oktá-, “eight”) and χῶρος (khôros, “room”).

Full word history & related roots →

Translations

Esperanto okĉelo
  • okĉelofour-dimensional object
Finnish 4-hyperkuutio
  • 4-hyperkuutiofour-dimensional object
Italian ipertetraedro
  • ipertetraedrofour-dimensional object
Polish sześcian czterowymiarowy
  • sześcian czterowymiarowyfour-dimensional object
Cite this entry
APA

octachoron. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/octachoron

MLA

“octachoron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/octachoron. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “octachoron,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/octachoron.

Source: octachoron on Wiktionary, CC BY-SA 4.0.