Definition of "passivation" []

• The process of making a material passive (non-reactive) in relation to another material prior to using the materials together. (noun)
• The spontaneous formation of a hard non-reactive surface film (usually an oxide or nitride) that inhibits further corrosion. (noun)

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• "February 10th, Iran informed them that they had begun work there the previous evening on a process called passivation (Lewis explains what that is)."
• "Arms Control Wonk provides this explanation of what "passivation" means:"
• "Chemicals used in the trivalent chromium passivation process may pose skin irritation/sensitization hazards similar to those used in the hexavalent chromium process."