What is the meaning of “アクチニウム”? January 23, 2023January 23, 2023 Dictionary WordMeaningアクチニウムactinium Join the Discord Server(Chatroom)! (*≧▽≦)* Become a Patron to access 100+ videos, 550+ audios and 19000+ online questions immediately! ⸜(๑'ᵕ'๑)⸝⋆