passivate

verb
pas·siv·ate | \ˈpa-si-ˌvāt \
passivated; passivating

Definition of passivate 

transitive verb

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

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

Other Words from passivate

passivation \ˌpa-si-ˈvā-shən \ noun

First Known Use of passivate

1913, in the meaning defined at sense 1

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The first known use of passivate was in 1913

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