noun
oil-treated shoji screen; water-resistant paper sliding door
A traditional Japanese sliding door (shoji) whose paper has been treated with oil to improve water resistance and durability, often used in bathrooms or exterior-facing rooms.
See also: 障子
古い家の浴室には油障子が使われていた。
In the old house, oil-treated shoji screens were used in the bathroom.
油障子は普通の障子より水に強い。
Oil-treated shoji are more water-resistant than ordinary shoji.