"disulfonation" meaning in English

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  "etymology_text": "di- + sulfonation",
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      "form": "disulfonations",
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  "lang_code": "en",
  "pos": "noun",
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      "coordinate_terms": [
        {
          "word": "monosulfonation"
        }
      ],
      "glosses": [
        "Addition of two sulfonate groups."
      ],
      "id": "en-disulfonation-en-noun-KrZO7yOG",
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          "organic chemistry",
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          "sulfonate",
          "sulfonate"
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        "(organic chemistry) Addition of two sulfonate groups."
      ],
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        "countable",
        "uncountable"
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        "chemistry",
        "natural-sciences",
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  "word": "disulfonation"
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    {
      "word": "monosulfonation"
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  "etymology_text": "di- + sulfonation",
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    {
      "form": "disulfonations",
      "tags": [
        "plural"
      ]
    }
  ],
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        "Addition of two sulfonate groups."
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        "(organic chemistry) Addition of two sulfonate groups."
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  "word": "disulfonation"
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