\Sty"ro*lene\, n. (Chem.)
An unsaturated hydrocarbon, {C8H8}, obtained by the
distillation of storax, by the decomposition of cinnamic
acid, and by the condensation of acetylene, as a fragrant,
aromatic, mobile liquid; -- called also {phenyl ethylene},
{vinyl benzene}, {styrol}, {styrene}, and {cinnamene}.