"tropylium" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tropine",
        "3": "-yl",
        "4": "-ium"
      },
      "expansion": "tropine + -yl + -ium",
      "name": "af"
    }
  ],
  "etymology_text": "tropine + -yl + -ium",
  "forms": [
    {
      "form": "tropyliums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "tropylium (usually uncountable, plural tropyliums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cantonese terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
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          "source": "w"
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        {
          "kind": "other",
          "name": "English terms suffixed with -ium",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -yl",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "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": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives."
      ],
      "id": "en-tropylium-en-noun-JsHbxMnX",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "delocalized",
          "delocalized"
        ],
        [
          "carbenium ion",
          "carbenium ion"
        ],
        [
          "cycloheptatriene",
          "cycloheptatriene"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives."
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "yue",
          "lang": "Chinese Cantonese",
          "roman": "coek³",
          "sense": "organic compound",
          "word": "䓬"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhuó",
          "sense": "organic compound",
          "word": "䓬"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "toropiriumu",
          "sense": "organic compound",
          "word": "トロピリウム"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "teuropillyum",
          "sense": "organic compound",
          "word": "트로필륨"
        }
      ]
    }
  ],
  "word": "tropylium"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "tropine",
        "3": "-yl",
        "4": "-ium"
      },
      "expansion": "tropine + -yl + -ium",
      "name": "af"
    }
  ],
  "etymology_text": "tropine + -yl + -ium",
  "forms": [
    {
      "form": "tropyliums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "tropylium (usually uncountable, plural tropyliums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Cantonese terms with redundant transliterations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English terms suffixed with -ium",
        "English terms suffixed with -yl",
        "English uncountable nouns",
        "Mandarin terms with redundant transliterations",
        "en:Ions",
        "en:Organic compounds"
      ],
      "glosses": [
        "The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "delocalized",
          "delocalized"
        ],
        [
          "carbenium ion",
          "carbenium ion"
        ],
        [
          "cycloheptatriene",
          "cycloheptatriene"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives."
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "yue",
      "lang": "Chinese Cantonese",
      "roman": "coek³",
      "sense": "organic compound",
      "word": "䓬"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhuó",
      "sense": "organic compound",
      "word": "䓬"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "toropiriumu",
      "sense": "organic compound",
      "word": "トロピリウム"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "teuropillyum",
      "sense": "organic compound",
      "word": "트로필륨"
    }
  ],
  "word": "tropylium"
}