fluorene

noun
flu·o·rene | \ ˈflu̇(ə)ˌrēn , ˈflōrˌēn , ˈflȯˌrēn \
plural -s

Definition of fluorene 

: a colorless crystalline cyclic hydrocarbon C13H10 that has a violet fluorescence and that is obtained usually from the coal-tar distillate which boils between naphthalene and anthracene; ortho-diphenylene-methane

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History and Etymology for fluorene

International Scientific Vocabulary fluor- + -ene; originally formed as French fluorène

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