"noneuclidean geometry" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        "Alternative form of non-Euclidean geometry"
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        "(geometry, US) Alternative form of non-Euclidean geometry"
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      "topics": [
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  "word": "noneuclidean geometry"
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    {
      "form": "noneuclidean geometries",
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  "word": "noneuclidean geometry"
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