English Dictionary

radiometric dating

名詞

Synonym of radioactive dating

日本語の意味

放射性年代測定

Radiometric dating revealed that the volcanic ash layer was over a million years old.

放射性同位体年代測定の結果、その火山灰層が100万年以上前のものであることが明らかになった。

意味（1）

Synonym of radioactive dating

Perhaps the most significant achievement of radiometric dating over the past two decades has been to provide an absolute calibration, in years, for the traditional sedimentary time scale.

radiometric datings （ plural ）