To encrust something is to cover it with a layer of something sticky or gooey. Sometimes encrustation is a natural process, and other times it is the result of something else.
The tree was encrusted with moss.
The sauce was encrusted with sugar.
adjective
having a hardened crust as a covering
Synonyms:
1
It forms as efflorescent encrustations in underground uranium mines.
2
It is a thickly encrusting sponge with a glistening bumpy surface.
3
By the late '70s, canvas often gave way to boxy plywood structures, encrusted with dark, purplish monochromes flecked with brighter underlying shades.
4
And no, definitely not encrusted with jewels.
5
They are often encrusted with salt secretions.
6
He carried a sword encrusted with gold.
7
It is encrusted with snow and is full of gold and jewels.
8
The screens on my windows are totally encrusted.
9
The wall frescos imitate encrusted marble.
10
As they are heavily encrusted with lime, it is sometimes difficult to tell.