加氢油 jiāqīngyóu hydrogenated oil Origin Definitions Defs Strokes Stroke Words Sentences Sents 加氢 加氫 jiāqīng hydrogenation / hydrogenate to add hydrogen to a chemical element or compound, or the process of doing so油 yóu noun oil oil; fat; grease; any of various liquid fats or hydrocarbons used as food, fuel, or lubricants