# polyethersulfone

> English word · Noun

## Definitions
1. Any of a family of thermoplastic polymers that are known for their toughness and stability at high temperatures. They contain the subunit aryl-SO₂-aryl, the defining feature of which is the sulfone group.

## Etymology
From poly- + ether + sulfone.

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