"pseudo-Riemannian manifold" meaning in English

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  "etymology_text": "From pseudo- + Riemannian manifold.",
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        "A generalization of a Riemannian manifold"
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      "raw_glosses": [
        "(differential geometry) A generalization of a Riemannian manifold"
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      "synonyms": [
        {
          "word": "semi-Riemannian manifold"
        }
      ],
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        {
          "code": "de",
          "lang": "German",
          "sense": "generalization of a Riemannian manifold",
          "tags": [
            "feminine"
          ],
          "word": "pseudo-riemannsche Mannigfaltigkeit"
        },
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          "code": "ru",
          "lang": "Russian",
          "roman": "psévdorímanovo mnogoobrázije",
          "sense": "generalization of a Riemannian manifold",
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            "neuter"
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          "word": "псе́вдори́маново многообра́зие"
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        "pseudo-Riemannian manifold"
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  "word": "pseudo-Riemannian manifold"
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  "etymology_text": "From pseudo- + Riemannian manifold.",
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      "sense": "generalization of a Riemannian manifold",
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        "feminine"
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      "word": "pseudo-riemannsche Mannigfaltigkeit"
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