Definition of trans-fatty acid noun from the Oxford Advanced American Dictionary

 

trans-fatty acid

 noun
noun
 
(also trans-fat
 
)
[countable, uncountable]
 
jump to other results
a type of fat produced when oils are changed by a chemical process into solids, for example to make margarine. Trans-fatty acids are believed to encourage the harmful development of cholesterol foods that are low in trans-fatty acids see also monounsaturated fat, polyunsaturated fat, saturated fat, unsaturated fat
See the Oxford Advanced Learner's Dictionary entry: trans-fatty acid