persulphate /pər-sulˈfāt/

1. That sulphate of a metal which contains the relatively greater quantity of oxygen or of the acid radical
2. A salt of persulphuric /-fūˈrik/ acid (H₂S₂O₈)

• fixed-wing aircraft
• fixer
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• fixer-upper
• fixer-uppers
• fixes
• fixing
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• fixities
• fixity
• fixive
• fix on
• fixture
• fixtures
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• fixure
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• fiz
• fizgig
• fizgigs
• fizz
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• fizzenless
• fizzer