FLUORENE

Etymology

From its violet fluorescence

Noun

fluorene (plural fluorenes)

(organic compound) 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.

Source: Wiktionary

Flu`or*ene, n. (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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