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%naphthol%

 ลองค้นหาคำในรูปแบบอื่น: naphthol, -naphthol-
  WordNet (3.0) 
alpha-naphthol
(n) an isomer of naphthol used in dyes
alpha-naphthol test
(n) 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. Molisch's test, Molisch reaction, Molisch test
beta-naphthol
(n) an isomer of naphthol used in rubber as an antioxidant
naphthol
(n) either of two phenols derived from naphthalene
  Collaborative International Dictionary (GCIDE) 
Benzonaphtol

{ n. Also }. [ Benzoin + naphthol. ] (Chem.) A white crystalline powder used as an intestinal antiseptic; beta-naphthol benzoate. [ Webster 1913 Suppl. ]

Naphthol

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 ]

  EDICT JP-EN Dictionary 
ナフトール
[nafuto-ru] (n) naphthol
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