Potassium permanganate
WordNet
noun
(1) 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
WiktionaryText
Noun
potassium permanganate
- KMnO4, the most readily available commercial permanganate; it is used as an oxidizing agent both in industry and in the analytical laboratory