Styrofoam™
noun (especially North American English)(also polystyrene British and North American English)
[uncountable]a very light soft plastic that is usually white, used especially for making containers that prevent heat loss 聚苯乙烯 Styrofoam cups 舒泰龙泡沫塑料杯
Oxford Collocations DictionaryStyrofoam™ is used before these nouns:- cup
Word Origin1950s: from polystyrene + foam.