加氢油 Traditional form: 加氫油 Pinyin (reading): jiāqīngyóu Definitions: hydrogenated oil Characters: 加 - to add to, to increase, to augment 氢 - ammonia 油 - oil, fat, grease, lard; oil paints Traditional characters: 加 - to add to, to increase, to augment 氫 - ammonia 油 - oil, fat, grease, lard; oil paints