fluorene
/ˈflʊəriːn/ /ˈflɔːriːn/Chemistry
noun
A crystalline tricyclic aromatic hydrocarbon obtained from coal tar and used as a precursor for dyes, pigments, and pharmaceuticals.
- Fluorene consists of two benzene rings fused to a cyclopentane ring. Systematic name: o-biphenylenemethane; C13H10..
Origin
Mid 19th century; earliest use found in American Journal of Science. From fluoro- + -ene, after French fluorène, named for the violet fluorescence of its crystals.