油単 is read as ゆたん (yutan) and means oilcloth.
ゆたん
yutan
ゆでん
oil field
あぶら
oil
ゆだん
negligence
あぶらえ
oil painting
ゆし
fat
ゆせい
oil-based
ゆあつ
oil pressure
あぶらえのぐ
oil paints
ゆぶん
oil content
あぶらこ
(as used in Kochi and surrounds) medaka ricefish
ゆか
petrochemistry
ゆあつさどうゆ
hydraulic oil