naphthol[naf′t̸hōl′, -t̸hôl′; nap′-]
either of two white, crystalline isomeric compounds, CHOH, derived from naphthalene and used as antiseptics and in dyes, pharmaceuticals, etc.
Origin of naphtholnaphth(alene) + -ol
A 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.
Origin of naphtholnaphth(alene) + –ol2.