\Seid"litz\, a.
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 Rochell? salt
   (tartrate of potassium and sodium) and the other contains
   thirty-five grains of tartaric acid. The powders are mixed
   in water, and drunk while effervescing, as a mild
   cathartic; -- so called from the resemblance to the
   natural water of Seidlitz. Called also {Rochelle 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.