"fluorene" meaning in English

{
  "etymology_text": "From its violet fluorescence.",
  "forms": [
    {
      "form": "fluorenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fluorene (plural fluorenes)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "oligofluorene"
        },
        {
          "word": "polyfluorene"
        },
        {
          "word": "terfluorene"
        }
      ],
      "glosses": [
        "A polycyclic aromatic hydrocarbon consisting of two benzene rings joined together directly, and also via a methylene bridge; it is used in light-emitting diodes."
      ],
      "id": "en-fluorene-en-noun-~ihYwkub",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "polycyclic",
          "polycyclic"
        ],
        [
          "aromatic",
          "aromatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "benzene ring",
          "benzene ring"
        ],
        [
          "methylene",
          "methylene"
        ],
        [
          "light-emitting diode",
          "light-emitting diode"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A polycyclic aromatic hydrocarbon consisting of two benzene rings joined together directly, and also via a methylene bridge; it is used in light-emitting diodes."
      ],
      "related": [
        {
          "word": "fluorine"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "organic compound",
          "tags": [
            "masculine"
          ],
          "word": "fluorè"
        },
        {
          "code": "yue",
          "lang": "Chinese Cantonese",
          "roman": "mat⁶",
          "sense": "organic compound",
          "word": "芴"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "wù",
          "sense": "organic compound",
          "word": "芴"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "furuoren",
          "sense": "organic compound",
          "word": "フルオレン"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "peulluoren",
          "sense": "organic compound",
          "word": "플루오렌"
        }
      ],
      "wikipedia": [
        "fluorene"
      ]
    }
  ],
  "word": "fluorene"
}

{
  "derived": [
    {
      "word": "oligofluorene"
    },
    {
      "word": "polyfluorene"
    },
    {
      "word": "terfluorene"
    }
  ],
  "etymology_text": "From its violet fluorescence.",
  "forms": [
    {
      "form": "fluorenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fluorene (plural fluorenes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "fluorine"
    }
  ],
  "senses": [
    {
      "categories": [
        "Cantonese terms with redundant transliterations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "Mandarin terms with redundant transliterations",
        "en:Organic compounds"
      ],
      "glosses": [
        "A polycyclic aromatic hydrocarbon consisting of two benzene rings joined together directly, and also via a methylene bridge; it is used in light-emitting diodes."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "polycyclic",
          "polycyclic"
        ],
        [
          "aromatic",
          "aromatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "benzene ring",
          "benzene ring"
        ],
        [
          "methylene",
          "methylene"
        ],
        [
          "light-emitting diode",
          "light-emitting diode"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A polycyclic aromatic hydrocarbon consisting of two benzene rings joined together directly, and also via a methylene bridge; it is used in light-emitting diodes."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "fluorene"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "organic compound",
      "tags": [
        "masculine"
      ],
      "word": "fluorè"
    },
    {
      "code": "yue",
      "lang": "Chinese Cantonese",
      "roman": "mat⁶",
      "sense": "organic compound",
      "word": "芴"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "wù",
      "sense": "organic compound",
      "word": "芴"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "furuoren",
      "sense": "organic compound",
      "word": "フルオレン"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "peulluoren",
      "sense": "organic compound",
      "word": "플루오렌"
    }
  ],
  "word": "fluorene"
}