ozonize

from The American Heritage® Dictionary of the English Language, 5th Edition.

• transitive verb To treat or impregnate with ozone.
• transitive verb To convert (oxygen) to ozone.

from The Century Dictionary.

• To impregnate with ozone. Also spelled ozonise.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To convert into ozone, as oxygen.
• transitive verb To treat with ozone.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To treat or react with ozone; to ozonate
• verb To convert oxygen into ozone, especially by using an ozonizer

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb convert (oxygen) into ozone