IPA: //ˈflʊə.riːn//
KK: /ˈflʊəˌriːn/
A type of chemical compound made of two benzene rings connected together, often used in making light-emitting devices and various dyes.
Fluorene is commonly used in the production of organic light-emitting diodes.
Fluorene is derived from "fluor" (from Latin "fluere", meaning to flow) and the suffix "-ene" (indicating a type of unsaturated hydrocarbon). The word refers to a hydrocarbon that has a flowing or fluid-like quality, characteristic of its structure.
Think of 'fluor' meaning 'to flow' — this helps you remember that 'fluorene' is a type of hydrocarbon that has a fluid-like quality.