Last Updated
：2026/01/04
放射性同位体
Hiragana
ほうしゃせいどういたい
Noun
Japanese Meaning
放射線を放出する性質をもつ同位体。原子核が不安定で、放射線を出しながら他の元素や同位体に変わっていくもの。医療、工業、農業、研究などさまざまな分野で利用される。
Easy Japanese Meaning
おなじしゅるいのもので、すこしつくりがちがい、ほうしゃのうをだすもの
Chinese (Simplified) Meaning
具有放射性的某元素同位素 / 原子核不稳定、能自发辐射并衰变的同位素 / 用于医学诊断、治疗及工业检测的放射性物质
Chinese (Traditional) Meaning
具有放射性的元素同位素 / 原子核不穩定、會自發放出輻射的同位素
Korean Meaning
방사성 동위원소 / 방사선을 방출하는 동위원소
Vietnamese Meaning
Đồng vị phóng xạ / Đồng vị của một nguyên tố có tính phóng xạ / Đồng vị hạt nhân không bền, tự phát bức xạ
Tagalog Meaning
isotopong radyaktibo / isotopo ng isang elemento na may radyaktibidad / radioisotopo
Sense（1）
(physics) radioisotope (a radioactive isotope of an element)
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
(physics) radioisotope (a radioactive isotope of an element)
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放射性同位体
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This area is seriously contaminated with radioactive isotopes.
This area is seriously contaminated with radioactive isotopes.
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この地域は放射性同位体の汚染が深刻です。
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