Adjacent Words
NaphthalidineNaphthalin
Naphthaline
naphthalizarin
Naphthalize
NAPHTHAR
Naphthazarin
naphthene
naphthenic
Naphthide
Naphthoic
naphthol
Naphthol blue
Naphthol yellow
naphthoquinone
Naphthyl
naphthylamine
Naphtuhim
Napier
napier grass
Napier's bones
Napier's rods
Napierian
Napierian logarithm
napiform
Napkin
Full-text Search for "Naphthol orange"
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Naphthol orange definitions
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Webster's 1913 Dictionary
Naphthol Naph"thol, n. [Naphthalene + -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.
