incrustations
in-crus-ta-tions
noun
Hard, often unwanted, layers of material covering a surface, formed by deposition.
"The old pipes were covered in mineral incrustations."
Thesaurus
Synonyms: crust, encrustation
in-crus-ta-tions
Hard, often unwanted, layers of material covering a surface, formed by deposition.
"The old pipes were covered in mineral incrustations."
Synonyms: crust, encrustation