"放射性同位体" meaning in Japanese

{
  "forms": [
    {
      "form": "放射性同位体",
      "ruby": [
        [
          "放",
          "ほう"
        ],
        [
          "射",
          "しゃ"
        ],
        [
          "性",
          "せい"
        ],
        [
          "同",
          "どう"
        ],
        [
          "位",
          "い"
        ],
        [
          "体",
          "たい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hōshaseidōitai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ほうしゃせいどういたい"
      },
      "expansion": "放(ほう)射(しゃ)性(せい)同(どう)位(い)体(たい) • (hōshaseidōitai)",
      "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 non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "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": "Physics",
          "orig": "ja:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "radioisotope (a radioactive isotope of an element)"
      ],
      "id": "en-放射性同位体-ja-noun-WB9hASZ6",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "radioisotope",
          "radioisotope"
        ]
      ],
      "raw_glosses": [
        "(physics) radioisotope (a radioactive isotope of an element)"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "ja:放射性同位体"
      ]
    }
  ],
  "word": "放射性同位体"
}

{
  "forms": [
    {
      "form": "放射性同位体",
      "ruby": [
        [
          "放",
          "ほう"
        ],
        [
          "射",
          "しゃ"
        ],
        [
          "性",
          "せい"
        ],
        [
          "同",
          "どう"
        ],
        [
          "位",
          "い"
        ],
        [
          "体",
          "たい"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hōshaseidōitai",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ほうしゃせいどういたい"
      },
      "expansion": "放(ほう)射(しゃ)性(せい)同(どう)位(い)体(たい) • (hōshaseidōitai)",
      "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 fifth grade kanji",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with six Han script characters",
        "ja:Physics"
      ],
      "glosses": [
        "radioisotope (a radioactive isotope of an element)"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "radioisotope",
          "radioisotope"
        ]
      ],
      "raw_glosses": [
        "(physics) radioisotope (a radioactive isotope of an element)"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "ja:放射性同位体"
      ]
    }
  ],
  "word": "放射性同位体"
}

{
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  "msg": "no corresponding start tag found for </span>",
  "path": [
    "放射性同位体"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "放射性同位体",
  "trace": ""
}