hydrogenation

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hydrogenation

The addition of hydrogen to another compound, usually an unsaturated organic compound. Unsaturated oils are hydrogenated to form margarine.
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Noun1.hydrogenation - a chemical process that adds hydrogen atoms to an unsaturated oil; "food producers use hydrogenation to keep fat from becoming rancid"
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
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