"真球度" meaning in Japanese

{
  "forms": [
    {
      "form": "真球度",
      "ruby": [
        [
          "真",
          "しん"
        ],
        [
          "球",
          "きゅう"
        ],
        [
          "度",
          "ど"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinkyūdo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんきゅうど"
      },
      "expansion": "真(しん)球(きゅう)度(ど) • (shinkyūdo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Geometry",
          "orig": "ja:Geometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sphericity"
      ],
      "id": "en-真球度-ja-noun-HMbCVYgf",
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "sphericity",
          "sphericity"
        ]
      ],
      "raw_glosses": [
        "(geometry) sphericity"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕĩŋʲkʲɨᵝːdo̞]"
    }
  ],
  "word": "真球度"
}

{
  "forms": [
    {
      "form": "真球度",
      "ruby": [
        [
          "真",
          "しん"
        ],
        [
          "球",
          "きゅう"
        ],
        [
          "度",
          "ど"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinkyūdo",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんきゅうど"
      },
      "expansion": "真(しん)球(きゅう)度(ど) • (shinkyūdo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "ja:Geometry"
      ],
      "glosses": [
        "sphericity"
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "sphericity",
          "sphericity"
        ]
      ],
      "raw_glosses": [
        "(geometry) sphericity"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕĩŋʲkʲɨᵝːdo̞]"
    }
  ],
  "word": "真球度"
}