built up layers
- stratifiedArranged in stacked layers
- accumulatedGradually collected or gathered
- layeredHaving multiple levels
- sedimentParticles settling in liquid
- depositsMaterial settled or stored
stacked · coating · laminated · crust · accretion · sedimentation · patina · veneer · glazed · encrusted · compacted · geological · fossilized · residue · plaque · tartar · lacquered · varnished
accumulation vs. removal
built up layersabraded
Worn away by rubbing
excavated · depleted · denuded · thinned out · eroded
complexity vs. simplicity
built up layerssingle layer
One thickness only
homogeneous · flat · monolithic · undifferentiated · unlayered