THERMOSETTING Meaning of THERMOSETTING in English thermosetting BrE AmE ˈθɜːm əʊ ˌset ɪŋ ˌ••ˈ•• AmE \ ˈθɝːm oʊ ˌset̬ ɪŋ Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012