i·on·ize 
(īə-nīz′)
(īə-nīz′)tr. & intr.v. i·on·ized, i·on·iz·ing, i·on·iz·es
To convert or be converted totally or partially into ions.
i′on·iza·ble adj.
ion·iz′er n.
- petro-
- petrochemical
- petrochemistry
- petrodollars
- petrogenesis
- petrogenetic
- petroglyph
- petroglyphic
- Petrograd
- petrographer
- petrographic
- petrographical
- petrographically
- petrography
- petrol
- petrolatum
- petroleum
- petroleum coke
- petroleum ether
- petroleum jelly
- petrolic
- petrologic
- petrological
- petrologically
- petrologist