slovodefinícia
naphthol
(encz)
naphthol, n:
Naphthol
(gcide)
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.
[1913 Webster]

Naphthol blue, Naphthol orange, Naphthol yellow
(Chem.), brilliant dyestuffs produced from certain complex
nitrogenous derivatives of naphthol or naphthoquinone.
[1913 Webster]
naphthol
(wn)
naphthol
n 1: either of two phenols derived from naphthalene
podobné slovodefinícia
Benzonaphthol
(gcide)
Benzonaphthol \Ben`zo*naph"thol\, n. Also Benzonaphtol
\Ben`zo*naph"tol\ . [Benzoin + naphthol.] (Chem.)
A white crystalline powder used as an intestinal antiseptic;
beta-naphthol benzoate.
[Webster 1913 Suppl.]
Naphthol
(gcide)
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.
[1913 Webster]

Naphthol blue, Naphthol orange, Naphthol yellow
(Chem.), brilliant dyestuffs produced from certain complex
nitrogenous derivatives of naphthol or naphthoquinone.
[1913 Webster]
Naphthol blue
(gcide)
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.
[1913 Webster]

Naphthol blue, Naphthol orange, Naphthol yellow
(Chem.), brilliant dyestuffs produced from certain complex
nitrogenous derivatives of naphthol or naphthoquinone.
[1913 Webster]
Naphthol orange
(gcide)
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.
[1913 Webster]

Naphthol blue, Naphthol orange, Naphthol yellow
(Chem.), brilliant dyestuffs produced from certain complex
nitrogenous derivatives of naphthol or naphthoquinone.
[1913 Webster]
Naphthol yellow
(gcide)
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.
[1913 Webster]

Naphthol blue, Naphthol orange, Naphthol yellow
(Chem.), brilliant dyestuffs produced from certain complex
nitrogenous derivatives of naphthol or naphthoquinone.
[1913 Webster]
alpha-naphthol
(wn)
alpha-naphthol
n 1: an isomer of naphthol used in dyes
alpha-naphthol test
(wn)
alpha-naphthol test
n 1: biochemical indicator of the presence of carbohydrates in a
solution; if carbohydrates are present a violet ring is
formed by reaction with alpha-naphthol in the presence of
sulfuric acid [syn: alpha-naphthol test, {Molisch's
test}, Molisch test, Molisch reaction]
beta-naphthol
(wn)
beta-naphthol
n 1: an isomer of naphthol used in rubber as an antioxidant

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