Definition of "styrofoam" [styrofoam]

• Expanded polystyrene foam, such as is used in cups and packaging (noun)

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• "Anyway I never thought to just use high powered flashlights, I wonder if you can use those floodlights that are encased in styrofoam?"
• "As I chased bits of styrofoam being blown across the sand, I realized that "better" styrofoam is as farfetched as "clean" coal."
• "For all its failings, styrofoam is remarkable good at maintaining an equable temperature."