Meaning of “Styrofoam” in the English Dictionary

british dictionary

"Styrofoam" in British English

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Styrofoamnoun [ U ]

uk /ˈstaɪ.rə.fəʊm/ us /ˈstaɪ.rə.foʊm/ US trademark

a type of polystyrene (= a light, usually white plastic used especially for putting around delicate objects inside containers to protect them from damage, or for putting around something to prevent it from losing heat)

(Definition of “Styrofoam” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"Styrofoam" in American English

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Styrofoamnoun [ U ]

us /ˈstɑɪ·rəˌfoʊm/ trademark

a light, usually white plastic used to make containers that prevent foods and liquids from changing temperature or to protect delicate objects inside containers:

a Styrofoam cup/cooler
Styrofoam packing materials

(Definition of “Styrofoam” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"Styrofoam™" in Business English

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Styrofoam™noun [ U ]

uk us

US trademark for →  polystyrene

(Definition of “Styrofoam™” from the Cambridge Business English Dictionary © Cambridge University Press)