Usage Note
Polistirolo is the generic Italian term for expanded polystyrene foam (known commercially as Styrofoam in the US). It is always masculine and does not change in the plural (i polistiroli, though the material is typically used as an uncountable mass noun). Learners may encounter it as a compound in polistirolo espanso (expanded polystyrene).
Examples
"La scatola era piena di polistirolo."
Natural Translation
The box was full of polystyrene.
Related Words
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