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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