tetradecane

from The Collaborative International Dictionary of English v.0.48

Tetradecane \Tet`ra*dec"ane\, n. [Tetra- + Gr. ? ten.] (Chem.)
   A light oily hydrocarbon, {C14H30}, of the marsh-gas series;
   -- so called from the fourteen carbon atoms in the molecule.
   [1913 Webster]