methylnaphthalene

noun
meth·​yl·​naph·​tha·​lene | \ ˌme-thəl-ˈnaf-thə-ˌlēn How to pronounce methylnaphthalene (audio) , -ˈnap- \

Definition of methylnaphthalene

: either of two isomeric hydrocarbons C11H10 especially : an oily liquid used in determining cetane numbers

First Known Use of methylnaphthalene

circa 1885, in the meaning defined above

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The first known use of methylnaphthalene was circa 1885

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Cite this Entry

“Methylnaphthalene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/methylnaphthalene. Accessed 23 Oct. 2020.

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