D defs.my
Entry 1 sense Webster, 1913

Fluorene

· Flu·or·ene · IPA
01 n. A colorless, crystalline hydrocarbon, C13H10 having a beautiful violet fluorescence; whence its name. It occurs in the higher boiling produ…
  1. 1.
    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.(Chem.)