/ Dictionary / Index P permanganate: Meaning and Definition of Find definitions for: per•man•ga•nate Pronunciation: (pur-mang'gu-nāt"), [key] — n. Chem. a salt of permanganic acid, as potassium permanganate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: permanganate (Thesaurus) permanent way permanganic Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language