"Meyniel graph" meaning in English

{
  "etymology_text": "Named after Henri Meyniel.",
  "forms": [
    {
      "form": "Meyniel graphs",
      "tags": [
        "plural"
      ]
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      "expansion": "Meyniel graph (plural Meyniel graphs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "langcode": "en",
          "name": "Graph theory",
          "orig": "en:Graph theory",
          "parents": [
            "Mathematics",
            "Visualization",
            "Formal sciences",
            "Computing",
            "Interdisciplinary fields",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "A graph in which every odd cycle of length five or more has at least two chords."
      ],
      "id": "en-Meyniel_graph-en-noun-kQApeqNW",
      "links": [
        [
          "graph theory",
          "graph theory"
        ],
        [
          "graph",
          "graph"
        ],
        [
          "odd",
          "odd"
        ],
        [
          "cycle",
          "cycle"
        ],
        [
          "length",
          "length"
        ],
        [
          "chord",
          "chord"
        ]
      ],
      "raw_glosses": [
        "(graph theory) A graph in which every odd cycle of length five or more has at least two chords."
      ],
      "related": [
        {
          "word": "Meyniel's conjecture"
        }
      ],
      "topics": [
        "graph-theory",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Meyniel graph"
}

{
  "etymology_text": "Named after Henri Meyniel.",
  "forms": [
    {
      "form": "Meyniel graphs",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Meyniel graph (plural Meyniel graphs)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Meyniel's conjecture"
    }
  ],
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      "glosses": [
        "A graph in which every odd cycle of length five or more has at least two chords."
      ],
      "links": [
        [
          "graph theory",
          "graph theory"
        ],
        [
          "graph",
          "graph"
        ],
        [
          "odd",
          "odd"
        ],
        [
          "cycle",
          "cycle"
        ],
        [
          "length",
          "length"
        ],
        [
          "chord",
          "chord"
        ]
      ],
      "raw_glosses": [
        "(graph theory) A graph in which every odd cycle of length five or more has at least two chords."
      ],
      "topics": [
        "graph-theory",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Meyniel graph"
}