vulcanize

/ˈvʌlkənaɪz/
verb
  1. To treat rubber or similar material with sulfur and heat to make it stronger and more elastic.
    • Without the ability to vulcanize rubber, early tires would have melted in hot weather.
    • The factory uses a special process to vulcanize natural rubber for car tires.
    • They learned how to vulcanize latex to produce durable gloves.
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