polyfoam

[ pol-ee-fohm ]

noun

1. a rigid, semirigid, or rubbery foam composed of minute bubbles of air or carbon dioxide embedded in a polymer matrix, often polyurethane: used in mattresses, padding, insulation, etc.

Word History and Origins

Origin of polyfoam¹

poly- + foam

Example Sentences

The chair features a high-density polyfoam core, solid wood frame, and legs and can hold up to 350 pounds.

From Popular-Science