Last Updated
：2025/11/22
radioactive dating
Noun
uncountable
usually
Japanese Meaning
物質に含まれる1つ以上の放射性同位体の崩壊量を推定することにより、その物質が形成された際の年代を決定するプロセス。
（ plural ）
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The process of determining the age of a material by estimating the amount of radioactive decay of one or more radioisotopes present in the material when it was formed.
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radioactive dating
Scientists used radioactive dating to determine that the ancient bones were over 50,000 years old.
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Scientists used radioactive dating to determine that the ancient bones were over 50,000 years old.
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