fatty acid

noun

Definition of fatty acid 

1 : any of numerous saturated aliphatic monocarboxylic acids CnH2n+1COOH (such as acetic acid) including many that occur naturally usually in the form of esters in fats, waxes, and essential oils

2 : any of the saturated or unsaturated monocarboxylic acids (such as palmitic acid) usually with an even number of carbon atoms that occur naturally in the form of glycerides in fats and fatty oils

Examples of fatty acid in a Sentence

Recent Examples on the Web

Like changing to a backup gas tank, the body switches from glucose to fatty acids, a more efficient fuel. Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 Simply put, fish oil supplements are a way to increase your intake of omega-3 fatty acids. Carolyn Todd, Allure, "Everything You Should Know Before Taking Fish Oil Supplements," 21 Aug. 2018 And some of those pottery fragments still hold residue from those ancient meals—specifically, fatty acids usually found in animal fats. Kiona N. Smith, Ars Technica, "Archaeologists use ancient dirty dishes to reconstruct climate shifts," 13 Aug. 2018 Keto Diets Ketosis occurs when the body, deprived of food for 12 hours or more, switches its energy source from carbs and glucose to fatty acids. Mark Barna, Discover Magazine, "Not So Fast," 24 Sep. 2018 Vascepa, which is made from omega-3 fatty acid derived from fish, was approved by the U.S. Food and Drug Administration in 2012 for use lowering fats known as triglycerides that circulate in the blood. Jonathan D. Rockoff, WSJ, "Amarin Surges on Fish-Oil Drug Data," 24 Sep. 2018 For instance, walnut milk is a wonderful source of omega-3 fatty acids. Time, "Weekend Recipe: Your Guide to Creating Dairy-Free Nut, Seed and Rice Milks," 22 June 2018 There is considerable research showing that nuts, with their high levels of unsaturated fatty acids, fiber and minerals, may help reduce the risk for cardiovascular disease. Nicholas Bakalar, New York Times, "Nuts May Be Good for the Heart, but Are Hardly a Miracle Food," 17 Apr. 2018 Both farmed and wild seafood provide lots of proteins, omega-3 fatty acids, key vitamins, and minerals. Jaclyn London, Ms, Rd, Good Housekeeping, "Why Salmon Needs to Become a Part of Your Diet ASAP," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fatty acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fatty acid

1838, in the meaning defined at sense 1

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Last Updated

1 Dec 2018

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The first known use of fatty acid was in 1838

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More Definitions for fatty acid

fatty acid

noun

English Language Learners Definition of fatty acid

: an acid that is naturally in fats and various oils

fatty acid

noun

Medical Definition of fatty acid 

1 : any of numerous saturated aliphatic acids CnH2n+1COOH (as lauric acid) containing a single carboxyl group and including many that occur naturally usually in the form of esters in fats, waxes, and essential oils

2 : any of the saturated or unsaturated organic acids (as palmitic acid) that have a single carboxyl group and usually an even number of carbon atoms and that occur naturally in the form of glycerides in fats and fatty oils

More from Merriam-Webster on fatty acid

Britannica.com: Encyclopedia article about fatty acid

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