"arenium ion" meaning in English

{
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    {
      "form": "arenium ions",
      "tags": [
        "plural"
      ]
    }
  ],
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      "args": {},
      "expansion": "arenium ion (plural arenium ions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ions",
          "orig": "en:Ions",
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            "Electricity",
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          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
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            "Sciences",
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      ],
      "glosses": [
        "Any cation formed by the addition of a proton or other cationic species to an arene."
      ],
      "id": "en-arenium_ion-en-noun-WdtMW1C2",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "cation",
          "cation"
        ],
        [
          "proton",
          "proton"
        ],
        [
          "cationic",
          "cationic"
        ],
        [
          "arene",
          "arene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any cation formed by the addition of a proton or other cationic species to an arene."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "arenium ion"
}

{
  "forms": [
    {
      "form": "arenium ions",
      "tags": [
        "plural"
      ]
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  ],
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      "expansion": "arenium ion (plural arenium ions)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Ions",
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      "glosses": [
        "Any cation formed by the addition of a proton or other cationic species to an arene."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "cation",
          "cation"
        ],
        [
          "proton",
          "proton"
        ],
        [
          "cationic",
          "cationic"
        ],
        [
          "arene",
          "arene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any cation formed by the addition of a proton or other cationic species to an arene."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "arenium ion"
}