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acenaphthylene

noun
ace·​naph·​thy·​lene | \ -thəˌlēn\
plural -s

Definition of acenaphthylene

: a yellowish crystalline hydrocarbon C12H8 made by dehydrogenation of acenaphthene

First Known Use of acenaphthylene

1877, in the meaning defined above

History and Etymology for acenaphthylene

International Scientific Vocabulary acenaphth- + -ylene

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