Potassium permanganate Meaning, Definition & Usage

  1. noun a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic
    permanganate of potash.

WordNet

Definitions
  1. the salt KMnO4, crystallizing in dark red prisms having a greenish surface color, and dissolving in water with a beautiful purple red color; used as an oxidizer and disinfectant. The name chameleon mineral is applied to this salt and also to potassium manganate.
Definitions
  1. . (Chem.) See Potassium permanganate, under Potassium.

Webster 1913