"Wigner effect" meaning in English

{
  "etymology_text": "Named after Eugene Wigner who discovered the effect.",
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  "lang_code": "en",
  "pos": "noun",
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          "name": "Neutron",
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          "name": "Nuclear energy",
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          "name": "Radiation",
          "orig": "en:Radiation",
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      ],
      "glosses": [
        "The displacement of atoms in a solid caused by neutron radiation."
      ],
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          "physics",
          "physics"
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        [
          "displacement",
          "displacement"
        ],
        [
          "atom",
          "atom"
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        [
          "neutron radiation",
          "neutron radiation"
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      ],
      "raw_glosses": [
        "(physics) The displacement of atoms in a solid caused by neutron radiation."
      ],
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        "natural-sciences",
        "physical-sciences",
        "physics"
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        "Eugene Wigner"
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  "word": "Wigner effect"
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  "lang_code": "en",
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        "en:Materials science",
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        "The displacement of atoms in a solid caused by neutron radiation."
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          "physics",
          "physics"
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          "displacement",
          "displacement"
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          "neutron radiation",
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        "(physics) The displacement of atoms in a solid caused by neutron radiation."
      ],
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        "physical-sciences",
        "physics"
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}