# vulcanize

> English word · Verb · IPA /ˈvʌl.kə.naɪz/

## Definitions
1. To treat rubber with heat and (usually) sulfur to harden it and make it more durable.
2. To undergo such treatment.

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