Bedeutung von “polystyrene” — Learner’s Dictionary

polystyrene

noun [ U ] uk /ˌpɒlɪˈstaɪriːn/ UK US trademark Styrofoam

a light plastic material that is wrapped around delicate objects to protect them, and around hot things to keep them hot:

polystyrene packaging/polystyrene cups

(Definition von “polystyrene” aus dem Cambridge Learner's Dictionary © Cambridge University Press)