fluorene

== English == === Etymology === By surface analysis, fluoro- (“fluorine”) +‎ -ene. === Pronunciation === === Noun === fluorene (plural fluorenes) (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. ==== Derived terms ==== ==== Translations ==== === See also === fluorine