"実数" meaning in Japanese

{
  "forms": [
    {
      "form": "実数",
      "ruby": [
        [
          "実",
          "じっ"
        ],
        [
          "数",
          "すう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jissū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じっすう"
      },
      "expansion": "実(じっ)数(すう) • (jissū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese retronyms",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Numbers",
          "orig": "ja:Numbers",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "roman": "jissūtai",
          "ruby": [
            [
              "実",
              "じっ"
            ],
            [
              "数",
              "すう"
            ],
            [
              "体",
              "たい"
            ]
          ],
          "word": "実数体"
        }
      ],
      "glosses": [
        "a real number (limit of a convergent sequence of rational numbers)"
      ],
      "id": "en-実数-ja-noun-XRjE~TyR",
      "links": [
        [
          "real number",
          "real number"
        ]
      ],
      "related": [
        {
          "roman": "kyosū",
          "ruby": [
            [
              "虚",
              "きょ"
            ],
            [
              "数",
              "すう"
            ]
          ],
          "word": "虚数"
        }
      ],
      "wikipedia": [
        "ja:実数"
      ]
    }
  ],
  "sounds": [
    {
      "other": "じっすう"
    },
    {
      "ipa": "[d͡ʑisːɨː]"
    }
  ],
  "word": "実数"
}

{
  "derived": [
    {
      "roman": "jissūtai",
      "ruby": [
        [
          "実",
          "じっ"
        ],
        [
          "数",
          "すう"
        ],
        [
          "体",
          "たい"
        ]
      ],
      "word": "実数体"
    }
  ],
  "forms": [
    {
      "form": "実数",
      "ruby": [
        [
          "実",
          "じっ"
        ],
        [
          "数",
          "すう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "jissū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "じっすう"
      },
      "expansion": "実(じっ)数(すう) • (jissū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "kyosū",
      "ruby": [
        [
          "虚",
          "きょ"
        ],
        [
          "数",
          "すう"
        ]
      ],
      "word": "虚数"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese retronyms",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Numbers"
      ],
      "glosses": [
        "a real number (limit of a convergent sequence of rational numbers)"
      ],
      "links": [
        [
          "real number",
          "real number"
        ]
      ],
      "wikipedia": [
        "ja:実数"
      ]
    }
  ],
  "sounds": [
    {
      "other": "じっすう"
    },
    {
      "ipa": "[d͡ʑisːɨː]"
    }
  ],
  "word": "実数"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "実数"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "実数",
  "trace": ""
}