to put a protective, often colored, oxide film on (a light metal) by an electrolytic process in which the metal serves as the anode
transitive verban·o·dized, an·o·diz·ing, an·o·diz·es
To coat (a metallic surface) electrolytically with a protective or decorative oxide.
Origin of anodizeanod(e) + –ize.
(third-person singular simple present anodizes, present participle anodizing, simple past and past participle anodized)