D defs.my
Entry 1 sense Webster, 1913

Polychrest

· Pol·y·chrest · IPA /ˈpɒlɪkɹɛst/
01 n. A medicine that serves for many uses, or that cures many diseases.
  1. 1.
    A medicine that serves for many uses, or that cures many diseases.(Med.) [Obs.]
Phrases & compounds
Polychrest salt — potassium sulphate, specifically obtained by fusing niter with sulphur.