a white crystalline solid having two isomeric forms, alpha-naphthol, used in dyes, and beta-naphthol, used in dyes and as an antioxidant. Formula: C10H7OH
Word origin
C19: from naphtha + -ol1
naphthol in American English
(ˈnæfˌθoʊl; ˈnæfˌθɔl; ˈnæpˌθoʊl; ˈnæpˌθɔl)
noun
either of two white, crystalline isomeric compounds, C10H7OH, derived from naphthalene and used as antiseptics and in dyes, pharmaceuticals, etc.