passivate

[ pas-uh-veyt ]

/ ˈpæs əˌveɪt /

verb (used with object), pas·si·vat·ed, pas·si·vat·ing. Metallurgy.

to treat (a metal) to render the surface less reactive chemically.

Nearby words

passionist, passionists, passionless, passionlessly, passiontide, passivate, passive, passive anaphylaxis, passive clot, passive congestion, passive euthanasia

Origin of passivate

First recorded in 1910–15; passive + -ate¹

Related forms

pas·si·va·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for passivate

passivate

/ (ˈpæsɪˌveɪt) /

verb

(tr) to render (a metal) less susceptible to corrosion by coating the surface with a substance, such as an oxide

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012