hydrogenation hydrogenate • hydrogenator · · · Info · Definitions · Characters · · hydrogenation · · Text Latin · · Script 13 · · Length Definitions · · · (noun) a chemical process that adds hydrogen atoms to an unsaturated oil. Example: "Food producers use hydrogenation to keep fat from becoming rancid." · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079