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)

• rivalrous
• rivalry
• rivals
• rivalship
• rivalships
• rivas
• rivastigmine
• rivastigmines
• rive
• rived
• rivel
• rivelled
• rivelling
• rivels
• riven
• river
• riverain
• riverains
• riverbank
• riverbanks
• river basin
• river basins
• river bed
• river beds
• river blindness