Fluorene

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Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. 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.
  • the GNU version of the Collaborative International Dictionary of English
  • n. A colorless, crystalline hydrocarbon, C13H10 having a beautiful violet fluorescence; whence its name. It occurs in the higher boiling products of coal tar, and is obtained artificially.
  • The Century Dictionary and Cyclopedia
  • n. A solid hydrocarbon, C13 H10, contained in portions of coal-tar boiling at 300–400° C. If not quite pure it has a violet fluorescence. Also called orthodiphenylenemethane or 2,2′ -melhylenebiphenyl. It melts at 113° C.
  • Word Usage
    "M.P. 273°-276° C., and yields fluorene on distillation with zinc dust."
    Cross Reference
    fluorine   
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