k-lor n 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 Synonym(s) potassium chloride potassium muriate potash muriate K-Dur 20 Kaochlor K-lor Klorvess K-lyte