TRANSACTINIDE Meaning of TRANSACTINIDE in English transactinide BrE AmE ˌtræn t s ˈækt ɪ naɪd ˌtrɑːn t s-, ˌtrænz-, § \ -ə- ▷ transactinide|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012