tar camphor

naph·tha·lene also naph·tha·line   (nāf'thə-lēn', nāp'-)    n.  A white crystalline compound, C10H8, derived from coal tar or petroleum and used in manufacturing dyes, moth repellents, and explosives and as a solvent. Also called tar camphor. [naphth(a) + al(cohol) + -ene.] naph'tha·len'ic (-lěn'ĭk) adj.

Main Entry: naph·tha·lene
Pronunciation: -"lEn
Function: noun
: a crystalline aromatic hydrocarbon C₁₀H₈ usually obtainedby distillation of coal tar and used especially in organic synthesis and formerly as a topical and intestinal antiseptic —naph·tha·len·ic /"naf-th&-'len-ik,"nap-, -'lEn-/ adjective

naphthalene naph·tha·lene or naph·tha·line (nāf'thə-lēn', nāp'-) or naph·tha·lin (-lĭn)
n.
A toxic carcinogenic hydrocarbon derived from coal tar or petroleum and used as a solvent.

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naph'tha·len'ic (-lěn'ĭk) adj.

naphthalene   (nāf'thə-lēn')  Pronunciation Key  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: C10H8.