Thesaurus / encrustation
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLE SENTENCES FROM THE WEB

At an early stage a process of encrustation began, and continued.
They laved their wounds, which were intensely sore at first, owing to the encrustation of salt on their skins.
HIS UNKNOWN WIFELOUIS TRACY
This, however, is merely an encrustation, not extending into the objects.
ANIMALS OF THE PASTFREDERIC A. LUCAS
This quickly removes the encrustation if it has not been allowed to grow thick before the attempt is made.

WORDS RELATED TO ENCRUSTATION

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.