Webster's 1913 Dictionary
SEIDLITZ
SEIDLITZ Seid "litz, a.
Defn: Of or pertaining to Seidlitz, a village in Bohemia. [Written also Sedlitz. ] Seidlitz powders, effervescing salts, consisting of two separate powders, one of which contains forty grains of sodium bicarbonate mixed with two drachms of RochellRochelle powders. -- Seidlitz water, a natural water from Seidlitz, containing magnesium, sodium, calcium, and potassium sulphates, with calcium carbonate and a little magnesium chloride. It is used as an aperient.
New American Oxford Dictionary
Seidlitz powder
Seid litz pow der |ˈsedlits ˈsɛdlɪts ˌpaʊdər | ▶noun a laxative preparation that contains tartaric acid, sodium potassium tartrate, and sodium bicarbonate, and that effervesces when mixed with water. ORIGIN late 18th cent.: named with reference to the mineral water of Seidlitz, a village in Bohemia.
Oxford Dictionary
Seidlitz powder
Seidlitz powder |ˈsɛdlɪts | ▶noun a laxative preparation containing tartaric acid, sodium potassium tartrate, and sodium bicarbonate which effervesces when mixed with water. ORIGIN late 18th cent.: named with reference to the mineral water of Seidlitz, a village in Bohemia.
The Wordsmith Dictionary