ionization i·on·i·za·tion (ī'ə-nĭ-zā'shən)
n.
The formation of or separation into ions by heat, electrical discharge, radiation, or chemical reaction; electrolytic dissociation.
See iontophoresis.
ionize i·on·ize (ī'ə-nīz')
v. i·on·ized, i·on·iz·ing, i·on·iz·es
To dissociate atoms or molecules into electrically charged atoms or radicals.