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.
<-- most commonly, styrene -->
© Webster 1913.