radiometric datingEnglishOxford New American Dictionaryradiometric dating /ˌrādēəˈˌmetrik ˈdādiNG, ˌreɪdiəˈˌmɛtrɪk ˈdeɪdɪŋ/ ▸ noun a method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample.
EnglishOxford New American Dictionary
