☢️radioactivity (ラジオアクティビティ)

noun
ˌreɪ.di.oʊ.ækˈtɪv.ə.ti
放射性 (rajioakutibiti)

意味

The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
意味の翻訳
原子核の自発的崩壊によって生じる、電離放射線や粒子の放出。
genshikaku no jihatsuteki houkai ni yotte shoujiru denri houshasei ya ryuushi no houshutsu

例文

Radioactivity is used in medical treatments like cancer therapy.

放射性は、がん治療のような医療に用いられている。
houshasei wa ganchiryou no youna iryou ni mochiirareteiru

同義語

radiation, emission, nuclear decay

対義語

stability, inertness, non-reactivity

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