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Definition of polystyrene noun from the Oxford Advanced Learner's Dictionary

polystyrene

noun
 
/ˌpɒliˈstaɪriːn/
 
/ˌpɑːliˈstaɪriːn/
(also Styrofoam™ especially in North American English)
[uncountable]
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  1. a very light soft plastic that is usually white, used especially for making containers that prevent heat loss
    • polystyrene cups
    Oxford Collocations DictionaryPolystyrene is used before these nouns:
    • cup
    See full entry
See polystyrene in the Oxford Advanced American Dictionary
Check pronunciation: polystyrene

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adjective
 
 
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