incrustation
noun
in·crus·ta·tion ˌin-ˌkrə-ˈstā-shən 
variants or less commonly encrustation
ˌin-ˌkrə-ˈstā-shən ˌen-
ˌen- 1
a
: a crust or hard coating
b
: a growth or accumulation (as of habits, opinions, or customs) resembling a crust
2
: the act of encrusting : the state of being encrusted
3
a
: overlay sense a
b
: inlay
Word History
Etymology
Latin incrustation-, incrustatio, from incrustare to encrust
First Known Use
1644, in the meaning defined at sense 1a
Medical Definition
incrustation
noun
in·crus·ta·tion ˌin-ˌkrəs-ˈtā-shən
variants or encrustation
ˌen-
1
: the act of encrusting : the state of being encrusted
2
: a crust or hard coating