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

4 April 2025

GUILLOTINE

(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”


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Coffee Trivia

The average annual yield from one coffee tree is the equivalent of 1 to 1 1/2 pounds of roasted coffee. It takes about 4,000 hand-picked green coffee beans to make a pound of coffee.

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