ˈkärlzˌbad-, -l(t)sˌbät- noun
Usage: usually capitalized K
Etymology: translation of German karlsbader salz, from Karlsbad ( Karlovy Vary ), town in western Czechoslovakia renowned for its sulfur springs
1. : a mixture of mineral salts including especially potassium sulfate and sodium sulfate that is obtained from the water of certain springs
2. : an artificial mixture of potassium sulfate, sodium sulfate, sodium chloride, and sodium bicarbonate