Origin: Latin suffix -ate
Potassium permanganate has 2 different meanings across 1 category:
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
KMnO₄, the most readily available commercial permanganate; it is used as an oxidizing agent both in industry and in the analytical laboratory.