noun anything inlaid or imbedded.
2. incrustation ·noun the act of incrusting, or the state of being incrusted.
3. incrustation ·noun a covering or inlaying of marble, mosaic, ·etc., attached to the masonry by cramp irons or cement.
4. incrustation ·noun a crust or hard coating of anything upon or within a body, as a deposit of lime, sediment, ·etc., from water on the inner surface of a steam boiler.