Last Updated
：2026/01/12
ラジウム
Hiragana
らじうむ
Noun
Japanese Meaning
放射性元素の一つで、元素記号Ra、原子番号88の金属元素。ウラン鉱石中に微量に含まれ、強い放射線を放出する。
Easy Japanese Meaning
つよいほうしゃせいがあるげんそ。ふれるとからだにあぶない。
Chinese (Simplified) Meaning
镭（化学元素，符号Ra） / 强放射性的金属元素
Chinese (Traditional) Meaning
鐳（化學元素，符號 Ra，原子序 88） / 強放射性的鹼土金屬元素
Korean Meaning
원소 기호 Ra의 화학 원소, 알칼리 토금속. / 강한 방사능을 띠는 금속 원소. / 과거 방사선 치료나 발광 도료 등에 쓰였던 물질.
Indonesian
unsur kimia radioaktif dengan simbol Ra dan nomor atom 88 / logam alkali tanah yang sangat radioaktif
Vietnamese Meaning
Nguyên tố hóa học Ra, kim loại kiềm thổ phóng xạ. / Chất phát bức xạ mạnh, từng dùng trong y học.
Tagalog Meaning
elementong kemikal na lubhang radioaktibo; simbolo: Ra / mabigat na metal na mapanganib dahil sa radyasyon
Sense（1）
radium
（ romanization ）
Quizzes for review
See correct answer
Radium is a radioactive chemical element.
See correct answer
ラジウムは放射性の化学元素です。
Japanese - English
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