noun Chemistry.

1835–45; permangan(ic acid) + -ate2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
permanganate (pəˈmæŋɡəˌneɪt, -nɪt)
a salt of permanganic acid

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

permanganate per·man·ga·nate (pər-māng'gə-nāt')
Any of the salts of permanganic acid, all of which are strong oxidizing agents.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
permanganate   (pər-māng'gə-nāt')  Pronunciation Key 
A salt of permanganic acid, containing the group MnO4. Permanganates are strong oxidizing agents.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Each was instructed to wash his hands in a disinfecting permanganate solution.
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