1) Convert into ozone 2) To ozonate 3) To treat or react with ozone 
• (v. t.) To treat with ozone. • (v. t.) To convert into ozone, as oxygen.
O'zo·nize transitive verb [ imperfect & past participle Ozonized ; present participle & verbal noun Ozonizing .] (Chemistry) (a) To convert into ozone, as oxygen. (b) To treat with ozone. 
In chemsitry, the term ozonize means to convert into ozone or to treat with ozone.