noun
artificial radioactivity
Technical term used in nuclear physics and environmental science to refer to radioactivity induced by human activities, as opposed to natural background radiation.
原子力発電所の事故で人工放射能が環境に放出された。
Artificial radioactivity was released into the environment due to the nuclear power plant accident.
人工放射能と自然放射能の違いを説明してください。
Please explain the difference between artificial and natural radioactivity.