Seidlitz powder
/ˈsedlɪts/noun
- a laxative preparation containing tartaric acid, sodium potassium tartrate, and sodium bicarbonate which effervesces when mixed with water塞得利茨粉, 沸腾散（一种含有酒石酸、酒石酸钠、碳酸氢钠的轻泄剂）。
词源
late 18th cent.: named with reference to the mineral water of Seidlitz, a village in Bohemia.