Dictionary

naphthalene

noun naph·tha·lene \-ˌlēn\

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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Origin of NAPHTHALENE

alteration of earlier naphthaline, irregular from naphtha
First Known Use: 1821
Medical Dictionary

naphthalene

noun naph·tha·lene \-ˌlēn\

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
naph·tha·len·ic \ˌnaf-thə-ˈlen-ik, ˌnap-, -ˈlēn-\ adjective

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