"Coxeter graph" meaning in English

{
  "etymology_text": "Named after Harold Scott MacDonald Coxeter.",
  "forms": [
    {
      "form": "Coxeter graphs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Coxeter graph (plural Coxeter graphs)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Graph theory",
          "orig": "en:Graph theory",
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      ],
      "glosses": [
        "A 3-regular graph with 28 vertices and 42 edges, one of the 13 known cubic distance-regular graphs."
      ],
      "id": "en-Coxeter_graph-en-noun-NjscSOQ1",
      "links": [
        [
          "graph theory",
          "graph theory"
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      ],
      "raw_glosses": [
        "(graph theory) A 3-regular graph with 28 vertices and 42 edges, one of the 13 known cubic distance-regular graphs."
      ],
      "topics": [
        "graph-theory",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Coxeter graph"
}

{
  "etymology_text": "Named after Harold Scott MacDonald Coxeter.",
  "forms": [
    {
      "form": "Coxeter graphs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Coxeter graph (plural Coxeter graphs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
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      ],
      "glosses": [
        "A 3-regular graph with 28 vertices and 42 edges, one of the 13 known cubic distance-regular graphs."
      ],
      "links": [
        [
          "graph theory",
          "graph theory"
        ]
      ],
      "raw_glosses": [
        "(graph theory) A 3-regular graph with 28 vertices and 42 edges, one of the 13 known cubic distance-regular graphs."
      ],
      "topics": [
        "graph-theory",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Coxeter graph"
}