ox·i·diz·er 
(ŏksĭ-dī′zər)
(ŏksĭ-dī′zər)n.
A substance that oxidizes another substance, especially one that supports the combustion of fuel; an oxidizing agent.
- Seurat
- Seuss
- Sevastopol
- seven
- Seven Hills of Rome
- seven seas
- seventeen
- seventeenth
- seventeen-year locust
- seventh
- Seventh Avenue
- Seventh-day Adventist
- seventh heaven
- seventh-inning stretch
- seventieth
- seventy
- seventy-eight
- seven-up
- Seven Wonders of the World
- sever
- severability
- severable
- several
- severalfold
- severally