foamed plastic

American  

noun

1. expanded plastic.

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Etymology

Origin of foamed plastic

First recorded in 1935–40

Example Sentences

Products like single-use packaging, plastic resins, foamed plastic insulation, bottles and containers, among many others, add to global greenhouse emissions.

From Washington Times • Jul. 1, 2022

All open space among the spidery components is usually filled with foamed plastic.

From Time Magazine Archive

Waiting to detect them is a 1,400 ton Luneberg lens, an assembly of foamed plastic cubes containing metal threads, which will concentrate the reflected radar energy like a magnifying glass.

From Time Magazine Archive