"ウンデカン" meaning in Japanese

{
  "etymology_templates": [
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        "2": "en",
        "3": "undecane"
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      "expansion": "English undecane",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English undecane.",
  "forms": [
    {
      "form": "undekan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ウンデカン • (undekan)",
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  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
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            "Entries with incorrect language header",
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          "name": "Japanese katakana",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
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          "name": "Pages with 1 entry",
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        },
        {
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Organic compounds",
          "orig": "ja:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "undecane"
      ],
      "id": "en-ウンデカン-ja-noun-xllSvwuw",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "undecane",
          "undecane"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) undecane"
      ],
      "related": [
        {
          "roman": "arukan",
          "word": "アルカン"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "ウンデカン"
}

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        "2": "en",
        "3": "undecane"
      },
      "expansion": "English undecane",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from English undecane.",
  "forms": [
    {
      "form": "undekan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ウンデカン • (undekan)",
      "name": "ja-noun"
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  ],
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  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "arukan",
      "word": "アルカン"
    }
  ],
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      "glosses": [
        "undecane"
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      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
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          "undecane",
          "undecane"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) undecane"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "ウンデカン"
}

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