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trans fat

noun [C or U]
 
 
/ˈtrænz.fæt/ (also trans-fatty acid)

Definition

a type of fat that is produced by hydrogenation (= when vegetable oil is made into solid fat) and is used in margarine, fried foods, etc.: An excess of trans fats in the diet can cause high cholesterol levels.Fats and oils in food and cooking
(Definition of trans fat noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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