"umpolung" meaning in English

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  "etymology_text": "German Umpolung",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The chemical modification of a functional group with the aim of the reversal of polarity of that group."
      ],
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        [
          "organic chemistry",
          "organic chemistry"
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          "chemical",
          "chemical"
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        [
          "modification",
          "modification"
        ],
        [
          "functional group",
          "functional group"
        ],
        [
          "reversal",
          "reversal"
        ],
        [
          "polarity",
          "polarity"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The chemical modification of a functional group with the aim of the reversal of polarity of that group."
      ],
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        "uncountable"
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        "chemistry",
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        "umpolung"
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  ],
  "etymology_text": "German Umpolung",
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        "plural"
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        "The chemical modification of a functional group with the aim of the reversal of polarity of that group."
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          "organic chemistry",
          "organic chemistry"
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          "chemical",
          "chemical"
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          "modification"
        ],
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          "functional group",
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          "reversal",
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          "polarity",
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        "(organic chemistry) The chemical modification of a functional group with the aim of the reversal of polarity of that group."
      ],
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