ace·​naph·​the·​nyl | \ -thəˌnil \
plural -s

Definition of acenaphthenyl

: a univalent radical C12H9 formed by removal of one hydrogen atom from acenaphthene

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First Known Use of acenaphthenyl

circa 1929, in the meaning defined above

History and Etymology for acenaphthenyl

acenaphthene + -yl

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Time Traveler for acenaphthenyl

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The first known use of acenaphthenyl was circa 1929

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Cite this Entry

“Acenaphthenyl.” Dictionary, Merriam-Webster, Accessed 26 Nov. 2020.

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