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Webster 1913 Edition


Naphthol

Naph′thol

,
Noun.
[
Naphth
alene +
-ol
.]
(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.

Definition 2024


naphthol

naphthol

English

Noun

naphthol (plural naphthols)

  1. (organic chemistry) Either of two isomeric phenols derived from naphthalene; they are used in the preparation of dyes and many other compounds

Derived terms

  • naphthol blue
  • naphthol orange
  • naphthol yellow

Translations