"book knowledge" meaning in English

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      "expansion": "book knowledge (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Synonym of book learning"
      ],
      "id": "en-book_knowledge-en-noun-8cj7gTxW",
      "links": [
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          "book learning",
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      "synonyms": [
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          "word": "book learning"
        },
        {
          "word": "book-knowledge"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "book knowledge"
}

{
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      "expansion": "book knowledge (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Synonym of book learning"
      ],
      "links": [
        [
          "book learning",
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          "word": "book learning"
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  "synonyms": [
    {
      "word": "book-knowledge"
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  "word": "book knowledge"
}