"ferrocenium" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ferrocene",
        "3": "ium"
      },
      "expansion": "ferrocene + -ium",
      "name": "suffix"
    }
  ],
  "etymology_text": "ferrocene + -ium",
  "forms": [
    {
      "form": "ferroceniums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ferrocenium (plural ferroceniums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ium",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ions",
          "orig": "en:Ions",
          "parents": [
            "Chemistry",
            "Electricity",
            "Matter",
            "Sciences",
            "Electromagnetism",
            "Nature",
            "All topics",
            "Physics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Iron",
          "orig": "en:Iron",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Metallocene",
          "orig": "en:Metallocene",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the oxidation of ferrocene"
      ],
      "id": "en-ferrocenium-en-noun-cDDohxA-",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "univalent",
          "univalent"
        ],
        [
          "cation",
          "cation"
        ],
        [
          "oxidation",
          "oxidation"
        ],
        [
          "ferrocene",
          "ferrocene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the oxidation of ferrocene"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "ferrocenium"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-iːniəm"
    }
  ],
  "word": "ferrocenium"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ferrocene",
        "3": "ium"
      },
      "expansion": "ferrocene + -ium",
      "name": "suffix"
    }
  ],
  "etymology_text": "ferrocene + -ium",
  "forms": [
    {
      "form": "ferroceniums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ferrocenium (plural ferroceniums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English terms suffixed with -ium",
        "Rhymes:English/iːniəm",
        "Rhymes:English/iːniəm/5 syllables",
        "en:Ions",
        "en:Iron",
        "en:Metallocene",
        "en:Organic compounds"
      ],
      "glosses": [
        "The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the oxidation of ferrocene"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "univalent",
          "univalent"
        ],
        [
          "cation",
          "cation"
        ],
        [
          "oxidation",
          "oxidation"
        ],
        [
          "ferrocene",
          "ferrocene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the oxidation of ferrocene"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "ferrocenium"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-iːniəm"
    }
  ],
  "word": "ferrocenium"
}