油砂 Traditional form: 油砂 Pinyin (reading): yóushā Definitions: oil sand (mining) Characters: 油 - oil, fat, grease, lard; oil paints 砂 - sand, pebbles, gravel; gritty Traditional characters: 油 - oil, fat, grease, lard; oil paints 砂 - sand, pebbles, gravel; gritty