verb (used with object), an·o·dized, an·o·diz·ing. Chemistry.

  1. to coat (a metal, especially magnesium or aluminum) with a protective film by chemical or electrolytic means.


  1. to coat (a metal, such as aluminium or magnesium) with a protective oxide film by electrolysis

1931, from anode + -ize. Related: Anodized; anodizing.

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