What is the meaning of “アクチノイド”? January 23, 2023January 23, 2023 Dictionary WordMeaningアクチノイドactinoid原子番号89のアクチニウムから103のローレンシウムまでの15の元素の総称。いずれも放射性元素で、物理的、化学的に極めてよく似た性質をもつ。 Not sure how to add this website to your home screen? Not sure how to type Hiragana? Click here! (≧▽≦)> Join the Discord Server(Chatroom)! (*≧▽≦)* Become a Patron to access 200+ videos, 500+ audios and 20000+ online questions immediately! ⸜(๑'ᵕ'๑)⸝⋆