Last Updated
：2026/01/03
セシウム
Hiragana
せしうむ
Noun
Japanese Meaning
アルカリ金属元素の一つ。元素記号Cs、原子番号55。柔らかい銀白色の金属で、非常に反応性が高く、水と激しく反応して水酸化物と水素を生じる。光電管、原子時計、特殊ガラスなどに利用される。
Easy Japanese Meaning
とてもやわらかいきんぞくのひとつ。みずにふれるとあぶない。
Chinese (Simplified) Meaning
铯（化学元素，符号Cs） / 铯元素
Chinese (Traditional) Meaning
銫（化學元素，符號Cs） / 鹼金屬元素之一 / 原子序數55的元素
Korean Meaning
세슘(원자번호 55의 알칼리 금속) / 원소 기호 Cs
Vietnamese Meaning
nguyên tố hóa học xêsi (Cs) / kim loại kiềm mềm, phản ứng mạnh
Tagalog Meaning
elementong kimikal na may simbolong Cs, bilang atomiko 55 / malambot at lubhang reaksyonaryong alkalinong metal / ginagamit sa mga orasan atomiko at ilang kagamitang siyentipiko
Sense（1）
cesium, Cs
（ romanization ）
Quizzes for review
See correct answer
We will use cesium in this chemical experiment.
See correct answer
この化学実験ではセシウムを使用します。
Japanese - English
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