passivate
/ˈpæsɪveɪt/verb
with obj.［usu. as adj. passivated］
1- make (a metal or other substance) unreactive by altering the surface layer or coating the surface with a thin inert layer使（金属等）钝化。
1.1
- Electronics coat (a semiconductor) with inert material to protect it from contamination【电子】使（半导体）表面钝化。
派生词