a white, crystalline, aromatic hydrocarbon, CH, produced in the fractional distillation of coal tar: it is used in moth repellents and in the manufacture of certain dyes and other organic compounds
Origin of naphthaleneearlier naphthaline from naphtha + -l- + -ine
also naph·tha·line or naph·tha·lin
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 .
Origin of naphthalenenaphth(a) al(cohol) -ene
(usually uncountable, plural naphthalenes)
From naphtha + -ene.