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passivate

[pas-uh-veyt] /ˈpæs əˌveɪt/
verb (used with object), passivated, passivating. Metallurgy
1.
to treat (a metal) to render the surface less reactive chemically.
Origin
1910-1915
1910-15; passive + -ate1
Related forms
passivation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for passivation

passivate

/ˈpæsɪˌveɪt/
verb
1.
(transitive) 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
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Difficulty index for passivate

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Word Value for passivation

16
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