DICT.TW Dictionary Taiwan
3.14.253.221
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Naph·thol n.  Chem. Any one of a series of hydroxyl derivatives of naphthalene, analogous to phenol.  In general they are crystalline substances with a phenol (carbolic) odor.
 Naphthol blue, Naphthol orange, Naphthol yellow Chem., brilliant dyestuffs produced from certain complex nitrogenous derivatives of naphthol or naphthoquinone.
 ◄ ►