salt of potassium (KCl) (trade names K-Dur 20, Kaochlor and K-lor and Klorvess and K-lyte); taken in tablet form to treat potassium deficiency
geological dating that relies on the proportions of radioactive potassium in a rock sample and its decay product, argon
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
any compound containing a chlorine atom
any salt of hydrochloric acid (containing the chloride ion)
