# polyethylene terephthalate

> English word · Noun

## Definitions
1. A thermoplastic resin of the polyester family used particularly in the manufacture of plastic bottles (PET) and fabrics (Terylene).

## Etymology
From polyethylene + terephthalate.

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