HyperDic: potassium-argon_dating

English > 1 sense of the expression potassium-argon dating:
NOUNactpotassium-argon datinggeological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
English > potassium-argon dating: 1 sense > noun 1, act
Meaninggeological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon.
Broaderdating, geological datingUse of chemical analysis to estimate / estimate the age of geological specimens

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