"lacunary function" meaning in English

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      "expansion": "lacunary function (plural lacunary functions)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A function defined by a lacunary series, especially one which cannot be analytically continued outside its domain of convergence."
      ],
      "id": "en-lacunary_function-en-noun-fOX9fXe-",
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        [
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          "lacunary series"
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          "domain",
          "domain"
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        [
          "convergence",
          "convergence"
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      "raw_glosses": [
        "(mathematics) A function defined by a lacunary series, especially one which cannot be analytically continued outside its domain of convergence."
      ],
      "topics": [
        "mathematics",
        "sciences"
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      "wikipedia": [
        "lacunary function"
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  "word": "lacunary function"
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        "A function defined by a lacunary series, especially one which cannot be analytically continued outside its domain of convergence."
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          "mathematics",
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        [
          "lacunary series",
          "lacunary series"
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          "domain"
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          "convergence",
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        "(mathematics) A function defined by a lacunary series, especially one which cannot be analytically continued outside its domain of convergence."
      ],
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