"dianionic" meaning in English

{
  "etymology_templates": [
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        "2": "di",
        "3": "anionic"
      },
      "expansion": "di- + anionic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From di- + anionic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dianionic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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        {
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          "name": "English terms prefixed with di-",
          "parents": [],
          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Relating to a dianion"
      ],
      "id": "en-dianionic-en-adj--7WmlxhD",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "dianion",
          "dianion"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Relating to a dianion"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "word": "dianionico"
        }
      ]
    }
  ],
  "word": "dianionic"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "di",
        "3": "anionic"
      },
      "expansion": "di- + anionic",
      "name": "prefix"
    }
  ],
  "etymology_text": "From di- + anionic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dianionic (not comparable)",
      "name": "en-adj"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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        "en:Chemistry"
      ],
      "glosses": [
        "Relating to a dianion"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "dianion",
          "dianion"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Relating to a dianion"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
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  ],
  "translations": [
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "word": "dianionico"
    }
  ],
  "word": "dianionic"
}