| Noun | 1. | incrustation - the formation of a crustformation - natural process that causes something to form; "the formation of gas in the intestine"; "the formation of crystals"; "the formation of pseudopods" | |
| 2. | incrustation - a hard outer layer that covers something | |
| 3. | incrustation - a decorative coating of contrasting material that is applied to a surface as an inlay or overlay | |