| isonaphthol | <chemistry> Any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol. In general they are crystalline substances with a phenol (carbolic) odour. <chemistry> Naphthol blue, Naphthol orange, Naphthol yellow, brilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone. Origin: Naphthalene + -ol. Source: Websters Dictionary (01 Mar 1998) |
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