n. [ Styrax + L. oleum oil. ] (Chem.) See Styrolene. [ 1913 Webster ]

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. [ 1913 Webster ]