noun ace·naph·thene \ˌasəˈnapˌthēn, -afˌth-\

Definition of acenaphthene



  1. :  a crystalline tricyclic hydrocarbon C12H10 obtained especially from coal tar and used chiefly as a dye intermediate and in biology for inducing polyploidy

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Origin and Etymology of acenaphthene

International Scientific Vocabulary ace- + naphthene

First Known Use: 1868

Seen and Heard

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to criticize severely

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