pas·si·vate (p s  -v t )v. pas·si·vat·ed, pas·si·vat·ing, pas·si·vates v.tr. 1. To treat or coat (a metal) in order to reduce the chemical reactivity of its surface. 2. To coat (a semiconductor, for example) with an oxide layer to protect against contamination and increase electrical stability. pas si·vation n.pas si·va·tor n. |
passivate [ˈpæsɪˌveɪt]
vb
(Engineering / Metallurgy) (tr) to render (a metal) less susceptible to corrosion by coating the surface with a substance, such as an oxide
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