"核反応" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ō",
        "2": "nō",
        "3": "応",
        "sort": "かくはんのう"
      },
      "expansion": "The ō reading for 応 changes to nō as an instance of renjō (連声).",
      "name": "renjo"
    }
  ],
  "etymology_text": "The ō reading for 応 changes to nō as an instance of renjō (連声).",
  "forms": [
    {
      "form": "核反応",
      "ruby": [
        [
          "核",
          "かく"
        ],
        [
          "反",
          "はん"
        ],
        [
          "応",
          "のう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kakuhannō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kakufan'ou",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かくはんおう",
      "roman": "kakufan'ou",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かくはんのう",
        "hhira": "かくはんおう"
      },
      "expansion": "核(かく)反(はん)応(のう) • (kakuhannō) ^(←かくはんおう (kakufan'ou)?)",
      "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"
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          "source": "w"
        },
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          "parents": [
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          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
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          ],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with renjō",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "nuclear reaction"
      ],
      "id": "en-核反応-ja-noun-cox4UeUk",
      "links": [
        [
          "nuclear reaction",
          "nuclear reaction"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "かくはんのー"
    },
    {
      "ipa": "[ka̠kɯ̟ᵝhã̠nːo̞ː]"
    }
  ],
  "word": "核反応"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ō",
        "2": "nō",
        "3": "応",
        "sort": "かくはんのう"
      },
      "expansion": "The ō reading for 応 changes to nō as an instance of renjō (連声).",
      "name": "renjo"
    }
  ],
  "etymology_text": "The ō reading for 応 changes to nō as an instance of renjō (連声).",
  "forms": [
    {
      "form": "核反応",
      "ruby": [
        [
          "核",
          "かく"
        ],
        [
          "反",
          "はん"
        ],
        [
          "応",
          "のう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kakuhannō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kakufan'ou",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かくはんおう",
      "roman": "kakufan'ou",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "かくはんのう",
        "hhira": "かくはんおう"
      },
      "expansion": "核(かく)反(はん)応(のう) • (kakuhannō) ^(←かくはんおう (kakufan'ou)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
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        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with renjō",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
        "nuclear reaction"
      ],
      "links": [
        [
          "nuclear reaction",
          "nuclear reaction"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "かくはんのー"
    },
    {
      "ipa": "[ka̠kɯ̟ᵝhã̠nːo̞ː]"
    }
  ],
  "word": "核反応"
}

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  "msg": "HTML tag <span> not properly closed",
  "path": [
    "核反応"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "核反応",
  "trace": "started on line 2, detected on line 2"
}

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