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styrofoam Line breaks: styro|foam
Pronunciation: /ˈstʌɪrəfəʊm/

Definition of styrofoam in English:


[mass noun] trademark
A kind of expanded polystyrene used especially for making food containers: [as modifier]: styrofoam burger boxes
More example sentences
  • However, plastic and styrofoam must be separated from the rest of the garbage.
  • Popsicle sticks are still in vogue, as are styrofoam, garden hose tubing, particle board, wire and glitter glue.
  • The piece of styrofoam washing up to shore contrasts starkly with the shellfish pushing through the sand a centimetre beneath the surface.


1950s: from polystyrene + foam.

Definition of styrofoam in:
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