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trans-fatty acid

[trans-fat-ee] /ˈtrænsˌfæt i/
1.
an unsaturated fatty acid formed by the partial hydrogenation of vegetable oil, believed to raise blood cholesterol levels.
Also, trans fatty acid.
Origin
1975-80; trans- + fatty acid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for trans fatty acid

trans-fatty acid

noun
1.
a polyunsaturated fatty acid that has been converted from the cis-form by hydrogenation: used in the manufacture of margarine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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trans fatty acid in Science
trans fatty acid  
A fatty acid that is commonly produced by the partial hydrogenation of the unsaturated fatty acid vegetable oils. Trans fatty acids are present in hardened vegetable oils, most margarines, commercial baked foods, and many fried foods. An excess of these fats in the diet raises lipid levels in the blood. The term trans refers to the opposed positioning of hydrogen atoms when unsaturated fats are partially hydrogenated.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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