coated
v. B2 Upper Intermediate US //ˈkoʊtəd// UK //kˈəʊtɪd// coat·ed
v. covered with a thin layer of something like paint, sugar, or dust.
v. covered with an external layer or film of a substance for protection, decoration, or flavour.
The pills are coated in sugar to make them taste better.
The mechanic's hands were coated in thick black oil after he finished repairing the engine.
The ancient ruins were found coated in a dense layer of volcanic ash, which had remarkably preserved the intricate carvings beneath for centuries.
Usage
Often followed by the preposition 'in' or 'with' to specify the covering material.