naphthylene

noun
naph·​thy·​lene | \ˈnafthəˌlēn, ÷ˈnapth-\
plural -s

Definition of naphthylene 

: any of several bivalent radicals −C10H6− derived from naphthalene

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History and Etymology for naphthylene

International Scientific Vocabulary naphthyl + -ene

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