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1. Oxford Dictionary

   passivate

   • IPA[ˈpasɪveɪt]

   英式

   • v.
     make (a metal or other substance) unreactive by altering the surface layer or coating the surface with a thin inert layer；coat (a semiconductor) with inert material to protect it from contamination.

   • verb: passivate, 3rd person present: passivates, gerund or present participle: passivating, past tense: passivated, past participle: passivated

2. • 釋義

   v.

   動詞

   • 1. make (a metal or other substance) unreactive by altering the surface layer or coating the surface with a thin inert layer the process both cleans and passivates stainless steel components are made from passivated and anodized aluminium
   • ▪ coat (a semiconductor) with inert material to protect it from contamination.
3. • 更多解釋

   passivate

   • IPA[ˈpasəˌvāt]

   美式

   • v.
     make (a metal or other substance) unreactive by altering the surface layer or coating the ... the process both cleans and passivates stainless steel components are made from passivated and anodized aluminum

   Oxford American Dictionary