"nitrogen inversion" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The rapid inversion of the lone pair in a molecule such as a tertiary amine which prevents it from being chiral."
      ],
      "id": "en-nitrogen_inversion-en-noun-esFbepT9",
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          "chemistry",
          "chemistry"
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          "rapid",
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        [
          "lone pair",
          "lone pair"
        ],
        [
          "tertiary amine",
          "tertiary amine"
        ],
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          "chiral",
          "chiral"
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      ],
      "raw_glosses": [
        "(chemistry) The rapid inversion of the lone pair in a molecule such as a tertiary amine which prevents it from being chiral."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
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      "wikipedia": [
        "nitrogen inversion"
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  "word": "nitrogen inversion"
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    {
      "form": "nitrogen inversions",
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      "glosses": [
        "The rapid inversion of the lone pair in a molecule such as a tertiary amine which prevents it from being chiral."
      ],
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          "chemistry",
          "chemistry"
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          "rapid",
          "rapid"
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          "lone pair",
          "lone pair"
        ],
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          "tertiary amine",
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      "raw_glosses": [
        "(chemistry) The rapid inversion of the lone pair in a molecule such as a tertiary amine which prevents it from being chiral."
      ],
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        "uncountable"
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        "chemistry",
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