Definition of Encrustation

Noun: encrustation  ,en,krú'stey-shun

1. The formation of a crust
   - incrustation
    
2. A hard outer layer that covers something
   - crust, incrustation
    
3. A decorative coating of contrasting material that is applied to a surface as an inlay or overlay
   - incrustation

See also:
encrust
encrustations