passivation.

The formation or treatment of a surface layer that reduces further chemical reaction, often helping protect a material from corrosion.

Use it for

Words that belong together

• surface passivation
• a passivation layer

On the page

The passivation layer had been damaged where the seal rubbed against the housing.

The maintenance record specified passivation after the surface treatment.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.