passivate

verb pas·siv·ate \ˈpa-si-ˌvāt\

pas·siv·at·edpas·siv·at·ing

Definition of PASSIVATE

transitive verb

: to make inactive or less reactive <passivate the surface of steel by chemical treatment>

: to protect (as a solid-state device) against contamination by coating or surface treatment

— pas·siv·ation \ˌpa-si-ˈvā-shən\ noun

1913

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