"Brownian ratchet" meaning in All languages combined

{
  "etymology_text": "In reference to Brownian motion.",
  "forms": [
    {
      "form": "Brownian ratchets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Brownian ratchet (plural Brownian ratchets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An apparent perpetual motion machine, the subject of a thought experiment, that would consist of a tiny paddle wheel and a ratchet, and might seem to be able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium, in violation of the second law of thermodynamics."
      ],
      "id": "en-Brownian_ratchet-en-noun-COlZuxFV",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "perpetual motion",
          "perpetual motion"
        ],
        [
          "thought experiment",
          "thought experiment"
        ],
        [
          "work",
          "work"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "equilibrium",
          "equilibrium"
        ]
      ],
      "raw_glosses": [
        "(physics) An apparent perpetual motion machine, the subject of a thought experiment, that would consist of a tiny paddle wheel and a ratchet, and might seem to be able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium, in violation of the second law of thermodynamics."
      ],
      "related": [
        {
          "word": "Maxwell's demon"
        }
      ],
      "synonyms": [
        {
          "word": "Feynman-Smoluchowski ratchet"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Brownian ratchet"
      ]
    }
  ],
  "word": "Brownian ratchet"
}

{
  "etymology_text": "In reference to Brownian motion.",
  "forms": [
    {
      "form": "Brownian ratchets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Brownian ratchet (plural Brownian ratchets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Maxwell's demon"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Physics"
      ],
      "glosses": [
        "An apparent perpetual motion machine, the subject of a thought experiment, that would consist of a tiny paddle wheel and a ratchet, and might seem to be able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium, in violation of the second law of thermodynamics."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "perpetual motion",
          "perpetual motion"
        ],
        [
          "thought experiment",
          "thought experiment"
        ],
        [
          "work",
          "work"
        ],
        [
          "thermal",
          "thermal"
        ],
        [
          "equilibrium",
          "equilibrium"
        ]
      ],
      "raw_glosses": [
        "(physics) An apparent perpetual motion machine, the subject of a thought experiment, that would consist of a tiny paddle wheel and a ratchet, and might seem to be able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium, in violation of the second law of thermodynamics."
      ],
      "synonyms": [
        {
          "word": "Feynman-Smoluchowski ratchet"
        }
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "Brownian ratchet"
      ]
    }
  ],
  "word": "Brownian ratchet"
}