"Heaps' law" meaning in All languages combined

{
  "etymology_text": "Named after Harold Stanley Heaps, but was originally discovered by Gustav Herdan.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
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          "name": "Computational linguistics",
          "orig": "en:Computational linguistics",
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      ],
      "glosses": [
        "An empirical law that expresses the correlation between the length of a document or set of documents and the corresponding number of distinct words."
      ],
      "id": "en-Heaps'_law-en-noun-iEAu0aL3",
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      "raw_glosses": [
        "(linguistics) An empirical law that expresses the correlation between the length of a document or set of documents and the corresponding number of distinct words."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "Heaps' law"
      ]
    }
  ],
  "word": "Heaps' law"
}

{
  "etymology_text": "Named after Harold Stanley Heaps, but was originally discovered by Gustav Herdan.",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English uncountable nouns",
        "en:Computational linguistics",
        "en:Linguistics"
      ],
      "glosses": [
        "An empirical law that expresses the correlation between the length of a document or set of documents and the corresponding number of distinct words."
      ],
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      "raw_glosses": [
        "(linguistics) An empirical law that expresses the correlation between the length of a document or set of documents and the corresponding number of distinct words."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
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}