"hyperboloid of revolution" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The surface generated by rotating a hyperbola around one of its principal axes."
      ],
      "id": "en-hyperboloid_of_revolution-en-noun-ZA1KnEA6",
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        [
          "geometry",
          "geometry"
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          "surface",
          "surface"
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        [
          "hyperbola",
          "hyperbola"
        ],
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          "axes",
          "axis"
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        "(geometry) The surface generated by rotating a hyperbola around one of its principal axes."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "hyperboloid of revolution"
}

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      "form": "hyperboloids of revolution",
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  "lang_code": "en",
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        "The surface generated by rotating a hyperbola around one of its principal axes."
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          "surface",
          "surface"
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          "hyperbola",
          "hyperbola"
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      "raw_glosses": [
        "(geometry) The surface generated by rotating a hyperbola around one of its principal axes."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "hyperboloid of revolution"
}