thick layer
- coatingApplied surface covering
- blanketSoft bed covering
- slabThick flat piece
- crustHard outer layer
- depositPlace for safekeeping
smear · spread · slather · dense · heavy · opaque · insulation · padding · buildup · sediment · frosting · icing · plaster · mud · snow · cream · encrusted · gloopy
layer thickness
thick layerthin film
Narrow surface coating
thin coating · wisp · veneer · light coating
thickness/depth
thick layerthin film
Narrow surface coating
thin coating · surface layer · thin skin · membrane · film