potassium permanganate: Meaning and Definition of

potas'sium perman'ganate

Pronunciation: [key]
— Chem. Chem.
  1. a very dark purple, crystalline, water-soluble solid, KMnO, used chiefly as an oxidizing agent, disinfectant, laboratory reagent, and in medicine as an astringent and antiseptic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.