Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun polyfoam

1 sense of polyfoam

Sense 1
polyfoam, polyurethane foam -- (a foam made by adding water to polyurethane plastics)
       => polyurethane, polyurethan -- (any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber)