naph·tha·lene also naph·tha·line 
(năfthə-lēn′, năp-) or naph·tha·lin (-lĭn)
(năfthə-lēn′, năp-) or naph·tha·lin (-lĭn)n.
A white crystalline aromatic 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·lenic (-lĕnĭk) adj.