# polybutyrate

> English word · Noun

## Definitions
1. A misnomer for any copolymer of polybutylene terephthalate

## Etymology
From poly- + butyrate.

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