English-Thai Dictionary
naphthol
N สารที่ มัก ใช้ ใน การ ทำ เครื่องสำอาง หรือ สีย้อม
Webster's 1913 Dictionary
NAPHTHOL
Naph "thol, n. Etym: [Naphthalene + -ol.] (Chem. )
Defn: 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.
New American Oxford Dictionary
naphthol
naph thol |ˈnafTHôl, ˈnap-, -THäl ˈnæpˌθɔl | ▶noun Chemistry a crystalline solid derived from naphthalene, used to make antiseptics and dyes. [Chem. formula: C 10 H 7 OH; two isomers, esp. naphthalen-2 -ol (β-naphthol ).]
Oxford Dictionary
naphthol
naphthol |ˈnafθɒl | ▶noun [ mass noun ] Chemistry a crystalline solid derived from naphthalene, used to make antiseptics and dyes. ●Chem. formula: C 10 H 7 OH; two isomers, especially naphthalen-2 -ol (β-naphthol ).
Duden Dictionary
Naphthole
Naph tho le Pluralwort , die |Naphth o le |die Naphthole (Plural ) aromatische Alkohole zur Herstellung künstlicher Farb- und Riechstoffe
The Wordsmith Dictionary