naphthol
nounA hydroxy derivative of naphthalene, C10H8O, occurring in two isomeric forms: alpha-naphthol, used in making dyes and perfumes, and beta-naphthol, used in making antioxidants, pigments, dyes, and pharmaceuticals.
nounAny one of the phenols of naphthalene having the formula C10H7OH.
nounAny one of a series of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odor.
nounbrilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.
nounEither of two
either of two phenols derived from naphthalene