anodise

/ˈænədaɪz/
verb
  1. To coat a metal (especially aluminum) with a protective oxide layer using an electric current.
    • The factory will anodise the aluminum parts to prevent corrosion.
    • She learned how to anodise metal in her jewelry-making class.
    • Many smartphone cases are anodised to give them a durable, colorful finish.
Synonyms
What does "anodise" mean? | whatsthatwordmean | whatsthatwordmean