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)

• proscenium arch
• prosceniums
• prosciutti
• prosciutto
• prosciuttos
• proscribe
• proscribed
• proscriber
• proscribers
• proscribes
• proscribing
• proscript
• proscription
• proscriptions
• proscriptive
• proscriptively
• proscripts
• prose
• prosecco
• prosector
• prosectorial
• prosectors
• prosectorship
• prosectorships
• prosecutable