"octachoron" meaning in English

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          "text": "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].",
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          "ref": "2013, Milorad Cvijetic, Ivan B. Djordjevic, Advanced Optical Communication Systems and Networks, page 357:",
          "text": "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.",
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          "ref": "2013, Paul Jennings, Frank Nijhoff, On an elliptic extension of the Kadomtsev-Petviashvili equation, page 4:",
          "text": "...completing the notation for the vertices of an elementary lattice octachoron.",
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        "A four-dimensional object analogous to a cube, constructed out of eight cubes."
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        "(mathematics) A four-dimensional object analogous to a cube, constructed out of eight cubes."
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          "word": "8-cell"
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          "word": "hypercube"
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          "word": "tesseract"
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          "word": "ipertetraedro"
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  "word": "octachoron"
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