油污 Traditional form: 油污 Pinyin (reading): yóuwū Definitions: greasy dirt sludge (from an oil spill) Characters: 油 - oil, fat, grease, lard; oil paints 污 - filthy, dirty; polluted, impure Traditional characters: 油 - oil, fat, grease, lard; oil paints 污 - filthy, dirty; polluted, impure