harden (rubber or rubber-like material) by treating it with sulphur at a high temperature: (as adjective vulcanized) the development of a method for fixing vulcanized rubber firmly on to mild steel
Derivatives
vulcanizable
adjective
vulcanization
Pronunciation: /-ˈzeɪʃ(ə)n/
noun
vulcanizer
noun
Origin:
early 19th century (in the sense 'throw into a fire'): from Vulcan+ -ize