passivate

[pas-uh-veyt]

pas·si·vate

[pas-uh-veyt]
verb (used with object), pas·si·vat·ed, pas·si·vat·ing. Metallurgy.
to treat (a metal) to render the surface less reactive chemically.

Origin:
1910–15; passive + -ate1

pas·si·va·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Passivate is always a great word to know.
So is newton's first law of motion. Does it mean:
says body remains at rest or in motion with constant velocity unless acted upon by external force
Collins
World English Dictionary
passivate (ˈpæsɪˌveɪt)
 
vb
(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 10th Edition
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