"Hawking Index" meaning in English

{
  "etymology_text": "Invented by American mathematician Jordan Ellenberg in 2014, and named after English physicist Stephen Hawking, whose book A Brief History of Time has been called \"the most unread book of all time\".",
  "forms": [
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      "form": "the Hawking Index",
      "tags": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "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"
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      ],
      "glosses": [
        "A humorous measure of how far people will, on average, read through a particular book before giving up."
      ],
      "id": "en-Hawking_Index-en-name-VGyH6Ieo",
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        [
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        [
          "book",
          "book"
        ],
        [
          "giving up",
          "give up"
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  ],
  "word": "Hawking Index"
}

{
  "etymology_text": "Invented by American mathematician Jordan Ellenberg in 2014, and named after English physicist Stephen Hawking, whose book A Brief History of Time has been called \"the most unread book of all time\".",
  "forms": [
    {
      "form": "the Hawking Index",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "def": "1",
        "head": "Hawking Index"
      },
      "expansion": "the Hawking Index",
      "name": "en-prop"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A humorous measure of how far people will, on average, read through a particular book before giving up."
      ],
      "links": [
        [
          "humorous",
          "humorous"
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          "measure",
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          "book",
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        ],
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          "giving up",
          "give up"
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      ]
    }
  ],
  "word": "Hawking Index"
}