NAPHTHENE
Naph"thene, n. (Chem.)
Defn: A peculiar hydrocarbon occuring as an ingredient of Caucasian petroleum.
NAPHTHIDE
Naph"thide, n. (Chem.)
Defn: A compound of naphthalene or its radical with a metallic element; as, mercuric naphthide.
NAPHTHOIC
Naph*tho"ic, a. (Chem.)
Defn: Pertaining to, derived from, or related to, naphthalene; — used specifically to designate any one of a series of carboxyl derivatives, called naphthoic acids.
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.
NAPHTHOQUINONE
Naph`tho*qui"none, n. Etym: [Naphthalene + quinone.] (Chem.)
Defn: A yellow crystalline substance, C10H6O2, analogous to quinone, obtained by oxidizing naphthalene with chromic acid.