| slovo | definícia |
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 slovo | definícia |
naphthol
(encz) | naphthol, n: |
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 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 |
naphthol
(wn) | naphthol
n 1: either of two phenols derived from naphthalene |
|