#styrene__cinnamene__phenylethylene__vinylbenzene  a colorless oily liquid; the monomer for polystyrene
  supertype:  vinyl_polymer__vinylpolymer__vinyl_resin__vinylresin__polyvinyl_resin__polyvinylresin  a thermoplastic derived by polymerization from compounds containing the vinyl group
  subtype:  polystyrene  a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation"
     subtype:  Styrofoam  (trademark) a light resilient foam of polystyrene

No statement uses or specializes styrene; click here to add one.