"永久機関" meaning in Japanese

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        "3": "機関",
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      "expansion": "永久 (eikyū) + 機関 (kikan)",
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  "etymology_text": "永久 (eikyū) + 機関 (kikan).",
  "forms": [
    {
      "form": "永久機関",
      "ruby": [
        [
          "永",
          "えい"
        ],
        [
          "久",
          "きゅう"
        ],
        [
          "機",
          "き"
        ],
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          "関",
          "かん"
        ]
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      "form": "eikyū kikan",
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      ]
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      "expansion": "永(えい)久(きゅう)機(き)関(かん) • (eikyū kikan)",
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  "lang_code": "ja",
  "pos": "noun",
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          "kind": "topical",
          "langcode": "ja",
          "name": "Physics",
          "orig": "ja:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
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        },
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          "name": "Pseudoscience",
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            "Sciences",
            "All topics",
            "Fundamental"
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      "glosses": [
        "perpetual motion machine"
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          "physics",
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          "perpetual motion machine",
          "perpetual motion machine"
        ]
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        "(physics, pseudoscience) perpetual motion machine"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics",
        "pseudoscience"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[e̞ːkʲɨᵝː kʲikã̠ɴ]"
    }
  ],
  "word": "永久機関"
}

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  "etymology_text": "永久 (eikyū) + 機関 (kikan).",
  "forms": [
    {
      "form": "永久機関",
      "ruby": [
        [
          "永",
          "えい"
        ],
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          "久",
          "きゅう"
        ],
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          "機",
          "き"
        ],
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        ]
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      "form": "eikyū kikan",
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      "ipa": "[e̞ːkʲɨᵝː kʲikã̠ɴ]"
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  "word": "永久機関"
}

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  "path": [
    "永久機関"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "永久機関",
  "trace": ""
}