From Longman Dictionary of Contemporary Englishvulcanizevul‧can‧ize (also vulcanise British English) /ˈvʌlkənaɪz/ verb [transitive] HCTIto make rubber stronger by using a special chemical treatment —vulcanization /ˌvʌlkənaɪˈzeɪʃən $ -nə-/ noun [uncountable]→ See Verb tableOrigin vulcanize (1800-1900) Vulcan