-
- To save this word, you'll need to log in.
fatty acid
noun
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
Omega 3s — healthy fatty acids commonly found in fish or chia seeds — help lower triglycerides, a type of fat, in our blood, the Cleveland Clinic said.
—Eduardo Cuevas, USA TODAY, 26 Jan. 2025
Other nutrients: Some multivitamins include additional ingredients like antioxidants (e.g., lutein or lycopene), omega-3 fatty acids, or herbal extracts.
—Lindsay Curtis, Verywell Health, 22 Jan. 2025
Now, testing has discovered these balls contain a mix of nasty substances, including fecal bacteria, fatty acids and E. coli.
—Raul A. Reyes, Newsweek, 22 Jan. 2025
Enhanced with moisturizing fatty acids that impart a dewy gleam at any age, the formulation also contains sea daffodil extract to brighten dark spots.
—Jenny Berg, Vogue, 21 Jan. 2025
See all Example Sentences for fatty acid
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1838, in the meaning defined at sense 1
Dictionary Entries Near fatty acid
Cite this Entry
“Fatty acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatty%20acid. Accessed 2 Feb. 2025.
Kids Definition
fatty acid
noun
: any of numerous acids that contain only carbon, hydrogen, and oxygen and occur naturally in fats and various oils
Medical Definition
fatty acid
noun1
: 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share