hexane

from WordNet (r) 3.0 (2006)

hexane
    n 1: a colorless flammable liquid alkane derived from petroleum
         and used as a solvent

from The Collaborative International Dictionary of English v.0.48

Hexane \Hex"ane\, n. [Gr. "e`x six.] (Chem.)
   Any one of five hydrocarbons, {C6H14}, of the paraffin
   series. They are colorless, volatile liquids, and are so
   called because the molecule has six carbon atoms.
   [1913 Webster]