பொருள் : A polymer of styrene. A rigid transparent thermoplastic.
எடுத்துக்காட்டு :
Expanded polystyrene looks like a rigid white foam and is used as packing or insulation.
Polystyrene ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Polystyrene ka matlab kya hota hai?