Pol"y*chrest (?), n. [Gr. useful for many purposes; many + useful, fr. to use: cf. F. polychreste.] Med.

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.

 

© Webster 1913.

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