The Collaborative International Dictionary
Peroxidizing
Peroxidize \Per*ox"i*dize\, v. t. [imp. & p. p. Peroxidized; p. pr. & vb. n. Peroxidizing.] (Chem.) To oxidize to the utmost degree, so as to form a peroxide.
Wiktionary
peroxidizing
vb. (present participle of peroxidize English)