potassium permanganate

noun

: a dark purple salt KMnO4 used as an oxidizer and disinfectant

Examples of potassium permanganate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The air purifiers use carbon filters to remove hydrogen sulfide and other gases, plus potassium permanganate filters to clear pathogens. — Walker Armstrong, San Diego Union-Tribune, 13 Dec. 2025 Indeed, laser technology has revolutionized denim finishing, enabling companies to achieve worn and aged effects without potassium permanganate and manual scraping. — Meghan Hall, Sourcing Journal, 24 Feb. 2026 One area of improvement is a reduction of potassium permanganate, which was recently added to the ZDHC Chemical Watch List. — Angela Velasquez, Footwear News, 6 May 2026 See All Example Sentences for potassium permanganate

Word History

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of potassium permanganate was in 1866

Rhymes for potassium permanganate

See All Rhymes for potassium permanganate

Browse Nearby Words

potassium oxide
potassium permanganate
potassium persulfate
See all Nearby Words

Cite this Entry

“Potassium permanganate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium%20permanganate. Accessed 7 Jul. 2026.

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Kids Definition

potassium permanganate

noun
-(ˌ)pər-ˈmaŋ-gə-ˌnāt
: a dark purple salt used especially as a disinfectant

Medical Definition

potassium permanganate

noun
: a dark purple salt KMnO4 used chiefly as an oxidizing agent and disinfectant

More from Merriam-Webster on potassium permanganate

Britannica.com: Encyclopedia article about potassium permanganate

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