- a very dark purple, crystalline, water-soluble solid, KMnO4, used chiefly as an oxidizing agent, disinfectant, laboratory reagent, and in medicine as an astringent and antiseptic.
Origin of potassium permanganate
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a dark purple poisonous odourless soluble crystalline solid, used as a bleach, disinfectant, and antiseptic. Formula: KMnO 4Systematic name: potassium manganate(VII)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A dark purple crystalline compound used as an oxidizing agent and disinfectant and in deodorizers and dyes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A dark purple crystalline compound used as an oxidizing agent and disinfectant and in deodorizers and dyes. Chemical formula: KMnO4.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.