Definition of polystyrene in English:
 polystyrene
noun ˌpɒlɪˈstʌɪriːnˌpɑliˈstaɪrin
mass nounA synthetic resin which is a polymer of styrene, used chiefly as lightweight rigid foams and films.
 these plaques are moulded in black polystyrene
as modifier a polystyrene cup
 Example sentencesExamples
-  Does anyone, anywhere, know of a use for polystyrene cups with no bottoms?
 -  In Asia, rice husks have been used as an organic replacement for polystyrene packaging and in fireproof building materials.
 -  Sitting on concrete piles and a sea of polystyrene that keeps it from sinking into the bog, the track is another triumph in a resurgent era for the Chinese people.
 -  The polystyrene foam is often cut into shapes with chain saws and saber saws.
 -  As we chat the vast hall fills with some 260 soldiers ready to breakfast on instant coffee from polystyrene cups.
 -  Rumours that proposed production lines feature polystyrene moulds have yet to be disproved…
 -  It is naturally found in sediments, and adhesion data for glass and polystyrene are available.
 -  Bees were caught by placing transparent polystyrene cups over the nest entrance.
 -  An assortment of half-empty aluminium trays and polystyrene cups were festering on top of the washing up along with empty lager cans.
 -  The resulting spark can ignite the Pentane vapour liberated from the expanded polystyrene block by the cutting operation.
 -  Extruded polystyrene also has excellent resistance to moisture absorption.
 -  In this process, water passes through a media bed, usually sulfonated polystyrene beads.
 -  Cycle helmets are made of polystyrene and offer minimal protection.
 -  The process uses a polymer formed through a chemical bonding of polystyrene and polymethyl methacrylate.
 -  We found polystyrene to be the most suitable compound for this purpose.
 -  All polystyrene and polyurethanes are combustible regardless of grade.
 -  But polystyrene will soon have a new role in life - supporting thousands of motorists driving over soft ground.
 -  This is because polystyrene is a flammable material that gives off a toxic black smoke in the event of a fire.
 -  The polymer polystyrene contains the phenyl group as part of its repeat unit.
 -  The PVA solution was deposited in polystyrene molds under the force of gravity in a darkened room.
 
  Definition of polystyrene in US English:
 polystyrene
nounˌpälēˈstīrēnˌpɑliˈstaɪrin
A synthetic resin which is a polymer of styrene, used chiefly as lightweight rigid foams and films.
 these plaques are molded in black polystyrene
as modifier a polystyrene cup
 Example sentencesExamples
-  As we chat the vast hall fills with some 260 soldiers ready to breakfast on instant coffee from polystyrene cups.
 -  The resulting spark can ignite the Pentane vapour liberated from the expanded polystyrene block by the cutting operation.
 -  This is because polystyrene is a flammable material that gives off a toxic black smoke in the event of a fire.
 -  All polystyrene and polyurethanes are combustible regardless of grade.
 -  The PVA solution was deposited in polystyrene molds under the force of gravity in a darkened room.
 -  The polymer polystyrene contains the phenyl group as part of its repeat unit.
 -  Rumours that proposed production lines feature polystyrene moulds have yet to be disproved…
 -  We found polystyrene to be the most suitable compound for this purpose.
 -  An assortment of half-empty aluminium trays and polystyrene cups were festering on top of the washing up along with empty lager cans.
 -  The polystyrene foam is often cut into shapes with chain saws and saber saws.
 -  The process uses a polymer formed through a chemical bonding of polystyrene and polymethyl methacrylate.
 -  Sitting on concrete piles and a sea of polystyrene that keeps it from sinking into the bog, the track is another triumph in a resurgent era for the Chinese people.
 -  It is naturally found in sediments, and adhesion data for glass and polystyrene are available.
 -  Cycle helmets are made of polystyrene and offer minimal protection.
 -  Does anyone, anywhere, know of a use for polystyrene cups with no bottoms?
 -  Bees were caught by placing transparent polystyrene cups over the nest entrance.
 -  Extruded polystyrene also has excellent resistance to moisture absorption.
 -  In this process, water passes through a media bed, usually sulfonated polystyrene beads.
 -  But polystyrene will soon have a new role in life - supporting thousands of motorists driving over soft ground.
 -  In Asia, rice husks have been used as an organic replacement for polystyrene packaging and in fireproof building materials.