# polyfoam

> English word · Noun

## Definitions
1. Any of various materials, made from synthetic polymers, that have a cellular structure and are frequently used in upholstery or insulation.

## Etymology
From poly- + foam.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polyfoam