Potassium chloride has 2 different meanings across 1 category:
Noun
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
The potassium salt of hydrochloric acid, KCl; it is used as a fertilizer, and in lethal injections