1 naphthalene | Definition of naphthalene

naphthalene

noun
naph·​tha·​lene | \ ˈnaf-thə-ˌlēn How to pronounce naphthalene (audio) , nonstandard ˈnap-\

Definition of naphthalene

: a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis

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Examples of naphthalene in a Sentence

Recent Examples on the Web

Additional testing found detectable levels of propanol, acetone, dichlorodifluoromethane, chloromethane, naphthalene in the air as well. — Cameron Knight, Cincinnati.com, "Frustrated by months of silence, leaders to hold meeting on Winton Terrace air quality," 12 Dec. 2018 Your grandma's favorite method is on the outs now that many experts consider the chemicals — naphthalene or paradichlorobenzene — a health risk. — Caroline Picard, Good Housekeeping, "How to Get Rid of Moths in Every Part of Your Home, According to Experts," 13 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'naphthalene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of naphthalene

1821, in the meaning defined above

History and Etymology for naphthalene

alteration of earlier naphthaline, irregular from naphtha

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More Definitions for naphthalene

naphthalene

noun
naph·​tha·​lene | \ -ˌlēn How to pronounce naphthalene (audio) \

Medical Definition of naphthalene

: a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis and formerly as a topical and intestinal antiseptic

Other Words from naphthalene

naphthalenic \ ˌnaf-​thə-​ˈlen-​ik How to pronounce naphthalenic (audio) , ˌnap-​ How to pronounce naphthalenic (audio) , -​ˈlēn-​ \ adjective

More from Merriam-Webster on naphthalene

Nglish: Translation of naphthalene for Spanish Speakers

Britannica.com: Encyclopedia article about naphthalene

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