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Definition of passivating - 2 dictionary results

pas⋅si⋅vate

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

Origin:
1910–15; passive + -ate 1
pas·si·vate   (pās'ə-vāt')   
v.   pas·si·vat·ed, pas·si·vat·ing, pas·si·vates

v.   tr.
  1. To treat or coat (a metal) in order to reduce the chemical reactivity of its surface.
  2. To coat (a semiconductor, for example) with an oxide layer to protect against contamination and increase electrical stability.
pas'si·va'tion n., pas'si·va·tor n.
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