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*naphthene*

 ลองค้นหาคำในรูปแบบอื่น: naphthene, -naphthene-
Collaborative International Dictionary (GCIDE)
Naphthene

n. (Chem.) A peculiar hydrocarbon fraction occuring as an ingredient of some crude petroleums, mostly mixtures of derivatives of the five- and six-membered saturated cyclic alkanes, cyclopentane and cyclohexane, having the general formula CnH2n. [ 1913 Webster +PJC ]

Octonaphthene

n. [ Octo- + naphthene. ] (Chem.) A colorless liquid hydrocarbon of the octylene series, occurring in Caucasian petroleum. [ 1913 Webster ]

Thionaphthene

n. [ Thiophene + naphthalene. ] (Chem.) A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives. [ Written also thionaphtene. ] [ 1913 Webster ]

EDICT JP-EN Dictionary
ナフテン
[nafuten](n) naphthene[Add to Longdo]
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