"45,X0" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "45,X0"
      },
      "expansion": "45,X0 (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of Turner syndrome"
      ],
      "id": "en-45,X0-en-noun-bdDkiqFX",
      "links": [
        [
          "Turner syndrome",
          "Turner syndrome#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Turner syndrome"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "45,X0"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "45,X0"
      },
      "expansion": "45,X0 (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms spelled with numbers",
        "English uncountable nouns",
        "English words without vowels"
      ],
      "glosses": [
        "Synonym of Turner syndrome"
      ],
      "links": [
        [
          "Turner syndrome",
          "Turner syndrome#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Turner syndrome"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "45,X0"
}