Last Updated
：2025/11/21
radioactive tracer
Noun
Japanese Meaning
放射性トレーサー：物理学、化学、医学などの分野で、放射性同位体を用いて物質の動態や反応過程を追跡するための装置。対象物質に注入または結合させ、放射線検出装置によりその動きを追うために利用される。
（ plural ）
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(physics, chemistry, medicine) A radioactive isotope which, when injected into a chemically similar substance, or artificially attached to a biological or physical system, can be traced by radiation detection devices.
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radioactive tracer
The research team used a radioactive tracer to map the flow of the pollutant through the river system.
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The research team used a radioactive tracer to map the flow of the pollutant through the river system.
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