Last Updated
：2026/01/08
アクチニウム
Hiragana
あくちにうむ
Noun
Japanese Meaning
放射性元素の一種。元素記号Ac、原子番号89。ウラン鉱石中に微量に存在し、アルカリ土類金属に似た性質を持つ。
Easy Japanese Meaning
とてもつよいほうしゃのうがあるかがくのげんそ。おもにかがくのしごとでつかわれる。
Chinese (Simplified) Meaning
锕：化学元素，符号Ac，原子序数89。 / 强放射性的金属；锕系元素的首元素。
Chinese (Traditional) Meaning
一種放射性金屬元素，符號 Ac，原子序 89。 / 錒系元素的首個成員。
Korean Meaning
원자번호 89, 기호 Ac인 화학 원소 / 강한 방사능을 지닌 은백색 금속 원소
Indonesian
aktinium / unsur kimia radioaktif (simbol Ac, nomor atom 89) / unsur dari deret aktinida
Vietnamese Meaning
nguyên tố hóa học actini (Ac), kim loại phóng xạ / nguyên tố số 89 trong bảng tuần hoàn
Tagalog Meaning
elementong kemikal na radyaktibong metal; simbolo: Ac / may bilang atomiko 89
Sense（1）
actinium
（ romanization ）
Quizzes for review
See correct answer
Actinium is a radioactive chemical element with the symbol Ac and atomic number 89.
Actinium is a radioactive chemical element with the symbol Ac and atomic number 89.
See correct answer
アクチニウムは放射性の化学元素で、記号はAc、原子番号は89です。
Japanese - English
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