SCIENTOLOGIST Meaning of SCIENTOLOGIST in English scientologist, S~ BrE AmE ˌsa ɪ ‿ən ˈtɒl ədʒ ɪst § -əst AmE \ -ˈtɑːl-▷ scientologist|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012