trans-fatty acidBrE /ˌtrænz fæti ˈæsɪd/ 🔊NAmE /ˌtrænz fæti ˈæsɪd/ 🔊BrE /ˌtræns fæti ˈæsɪd/ 🔊NAmE /ˌtræns fæti ˈæsɪd/ 🔊 (also ˌtrans-ˈfat BrE /ˌtrænz ˈfæt/ 🔊 NAmE /ˌtrænz ˈfæt/ 🔊) noun [countable, uncountable] a type of fat produced when oils are changed by a chemical process into solids, for example to make margarine are believed to encourage the harmful development of cholesterol. Trans-fatty acids are believed to encourage the harmful development of cholesterol. 反式脂肪酸◆foods that are low in trans-fatty acids低反式脂肪酸食物 ➡ see also monounsaturated fat, polyunsaturated fat, saturated fat, unsaturated fat