triphenylene

noun
tri·​phenyl·​ene | \trīˈfenᵊlˌēn, -fēn-\

Definition of triphenylene 

: a crystalline, tetracyclic aromatic hydrocarbon C18H12 present in coal tar and structurally constituted as though three ortho-phenylene radicals were joined to form a central hexagonal ring

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History and Etymology for triphenylene

International Scientific Vocabulary triphenyl- + -ene

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