Meaning of potassium permanganate in English:
potassium permanganate
noun
ChemistryPotassium manganate(vii), KMnO₄, a purple-brown solid (intensely purple in solution) used as an oxidizing agent and in chemical analysis.
Origin
Mid 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator.
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