passivate

 
Pronunciation: /ˈpasɪveɪt/

verb

[with object] (usually as adjective passivated)
  • make (a metal or other substance) unreactive by altering the surface layer or coating the surface with a thin inert layer: components are made from passivated and anodized aluminium the process both cleans and passivates stainless steel
  • Electronics coat (a semiconductor) with inert material to protect it from contamination.

Derivatives

passivation

Pronunciation: /-ˈveɪʃ(ə)n/
noun