vulcanized adjective
also British vulcanised /ˈvʌlkəˌnaɪzd/
also British vulcanised /ˈvʌlkəˌnaɪzd/
Learner's definition of VULCANIZED
technical, of rubber
: treated with heat and chemicals to add strength and other useful qualities（橡胶）经过硬化的，经硫化处理的
— vulcanization
also British vulcanisation /ˌvʌlkənəˈzeɪʃən ˌvʌlkəˌnaɪˈzeɪʃən/ noun [noncount]