油光 Traditional form: 油光 Pinyin (reading): yóuguāng Definitions: glossy gleaming shiny (due to greasiness) slick greasy oily Characters: 油 - oil, fat, grease, lard; oil paints 光 - light; bright, brilliant; only, merely Traditional characters: 油 - oil, fat, grease, lard; oil paints 光 - light; bright, brilliant; only, merely