• synonyms


noun Chemistry.
  1. a salt of permanganic acid, as potassium permanganate.
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Origin of permanganate

First recorded in 1835–45; permangan(ic acid) + -ate2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for permanganate

Historical Examples of permanganate

  • Crystals of iodine as opposed to permanganate of potash for antiseptic he discussed.

    The Leopard Woman

    Stewart Edward White

  • But the poison had not all been sucked from the wounds or counteracted in the veins by the permanganate.

    Bloom of Cactus

    Robert Ames Bennet

  • Stir with a piece of wood until the permanganate is dissolved.

  • The iodid, permanganate, and carbonate of potash have been used.

    Special Report on Diseases of the Horse

    United States Department of Agriculture

  • This solution, by permanganate of potash, is first green and then grey.

British Dictionary definitions for permanganate


  1. a salt of permanganic acid
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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

permanganate in Medicine


  1. Any of the salts of permanganic acid, all of which are strong oxidizing agents.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

permanganate in Science


  1. A salt of permanganic acid, containing the group MnO4. Permanganates are strong oxidizing agents.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.