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naphthaline n. 臭樟腦 臭樟腦 Naphthalin \Naph"tha*lin\, Naphthaline \Naph"tha*line\, n. [F.
naphthaline.] (Chem.) See {Naphthalene}. [1913 Webster] Naphthalene \Naph"tha*lene\, n. (Chem.) A white crystalline aromatic hydrocarbon, {C10H8}, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also {naphthaline}. [1913 Webster] {Naphthalene red} (Chem.), a dyestuff obtained from certain diazo derivatives of naphthylamine, and called also {magdala red}. {Naphthalene yellow} (Chem.), a yellow dyestuff obtained from certain nitro derivatives of naphthol. [1913 Webster]
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