"hyperoctahedron" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hyper",
        "3": "octahedron"
      },
      "expansion": "hyper- + octahedron",
      "name": "prefix"
    }
  ],
  "etymology_text": "hyper- + octahedron",
  "forms": [
    {
      "form": "hyperoctahedra",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hyperoctahedra"
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      "expansion": "hyperoctahedron (plural hyperoctahedra)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with hyper-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
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            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of 16-cell"
      ],
      "id": "en-hyperoctahedron-en-noun-qKvh2QQK",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "16-cell",
          "16-cell#English"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Synonym of 16-cell"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "16-cell"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "hyperoctahedron"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hyper",
        "3": "octahedron"
      },
      "expansion": "hyper- + octahedron",
      "name": "prefix"
    }
  ],
  "etymology_text": "hyper- + octahedron",
  "forms": [
    {
      "form": "hyperoctahedra",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hyperoctahedra"
      },
      "expansion": "hyperoctahedron (plural hyperoctahedra)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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      "glosses": [
        "Synonym of 16-cell"
      ],
      "links": [
        [
          "mathematics",
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        ],
        [
          "16-cell",
          "16-cell#English"
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        "(mathematics) Synonym of 16-cell"
      ],
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          "word": "16-cell"
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      "topics": [
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    }
  ],
  "word": "hyperoctahedron"
}