/in'kru stay"sheuhn/ , n.
1. an incrusting or being incrusted.
2. a crust or coat of anything on the surface of a body; covering, coating, or scale.
3. the inlaying or addition of enriching materials on or to a surface or an object.
4. the enriching materials inlaid on or added to a surface or an object.
Also, encrustation .
[ 1600-10; incrustation- (s. of incrustatio ). See IN- 2 , CRUST, -ATION ]