Definition of polystyrene in English:

polystyrene

Syllabification: pol·y·sty·rene
Pronunciation: /ˌpälēˈstīrēn
 
/

noun

A synthetic resin that is a polymer of styrene, used chiefly as lightweight rigid foams and films.
More example sentences
  • The polymer polystyrene contains the phenyl group as part of its repeat unit.
  • The process uses a polymer formed through a chemical bonding of polystyrene and polymethyl methacrylate.
  • All polystyrene and polyurethanes are combustible regardless of grade.

Definition of polystyrene in:

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Word of the day anomalous
Pronunciation: əˈnɒm(ə)ləs
adjective
deviating from what is standard, normal, or expected