Table of Contents
Synonyms
1. potassium-argon_dating
noun. geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon.
Synonyms
2. potassium
noun. ['pəˈtæsiːəm'] a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite.
