NAPHTHOL

naphthol

(noun) either of two phenols derived from naphthalene

Source: WordNet® 3.1


Noun

naphthol (countable and uncountable, plural naphthols)

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

Source: Wiktionary


Naph"thol, n. Etym: [Naphthalene + -ol.] (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 April 2025

WHOLE

(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”


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