DICT.TW Dictionary Taiwan

 naph·tha·lene /-ˌlin/
 臭樟腦

 naph·tha·lene /-ˌlɪn/ 名詞
 奈

 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.
 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.
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 naphthalene
      n : a white crystalline strong-smelling hydrocarbon made from
          coal tar or petroleum and used in organic synthesis and
          as a fumigant in mothballs