Naphthol
Naphthol , noun
[Naphthalene + -ol.]
(Chemistry) Any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odor.
Collocations (1)
Naphthol blue or Naphthol orange or Naphthol yellow (Chemistry) , brilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.