Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun potassium-argon_dating

1 sense of potassium-argon dating

Sense 1
potassium-argon dating -- (geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon)
       => dating, geological dating -- (use of chemical analysis to estimate the age of geological specimens)