naphthalene

American  

[naf-thuh-leen, nap-] / ˈnæf θəˌlin, ˈnæp- /

Also naphthaline,

noun

Chemistry.

1. a white, crystalline, water-insoluble hydrocarbon, C 1 0 H 8 , usually obtained from coal tar: used in making dyes, as a moth repellant, etc.

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naphthalene British  

/ ˈnæfθəˌliːn, ˈnæfθəlɪn, ˈnæp-, ˈnæp-, næp- /

noun

1. a white crystalline volatile solid with a characteristic penetrating odour: an aromatic hydrocarbon used in mothballs and in the manufacture of dyes, explosives, etc. Formula: C 10 H 8

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naphthalene Scientific  

/ năf′thə-lēn′ /

1. A white crystalline compound made from coal tar or petroleum and used to make dyes, mothballs, explosives, and solvents. Naphthalene consists of two benzene rings fused together. Chemical formula: C ₁₀ H ₈ .

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Other Word Forms

• naphthalenic
  adjective
• naphthalic
  adjective

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Etymology

Origin of naphthalene

First recorded in 1865–70; naphth- + -al ³ + -ene

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Example Sentences

See Examples For:

naphthalene

This includes extremely challenging aromatic molecules with very high oxidation potentials such as naphthalene, toluene, or benzene.

From Science Daily ● Feb. 9, 2024

It said those samples showed elevated levels of the hazardous chemicals benzene and naphthalene.

From Seattle Times ● Dec. 16, 2022

Our test results indicated that all the 52 children we tested had high levels in their urine of metabolised naphthalene, a possible carcinogen.

From BBC ● Nov. 11, 2022

After further investigation, they realized they hadn’t even administered naphthalene at all, but rather a then-obscure drug called acetanilide, which the pharmacist had given them by mistake.

From New York Times ● Apr. 15, 2022

Estha Alone in HIS had to piss onto naphthalene balls and cigarette stubs in the urinal.

From "The God of Small Things" by Arundhati Roy

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