Naphthene

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Naphthene \Naph"thene\, 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]