油膏 Traditional form: 油膏 Pinyin (reading): yóugāo Definitions: semi-solid fat-based substance (medicine) ointment Characters: 油 - oil, fat, grease, lard; oil paints 膏 - grease, fat; ointment, paste Traditional characters: 油 - oil, fat, grease, lard; oil paints 膏 - grease, fat; ointment, paste