Polychrest
Pronunciation : Pol"y*chrest
Part of Speech : n.
Etymology : [Gr. polychreste.] (Med.)
Definition : Defn: A medicine that serves for many uses, or that cures many diseases. [Obs.] Polychrest salt (Old Med. Chem.), potassium sulphate, specifically obtained by fusing niter with sulphur.
Source : Webster's Unabridged Dictionary, 1913