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
This included an omega-3 fatty acid called alpha lipoic acid (ALA), which offers anti-inflammatory effects.
—
Lauren O'Connor, Health, 31 Dec. 2025
As for nutrients to take into account, Viar also mentions magnesium for its ability to regulate the nervous system and induce rest; Omega-3 fatty acids for their key anti-inflammatory role; tryptophan, a precursor of serotonin; and plenty of B vitamins.
—Mónica Heras, Vogue, 30 Dec. 2025
Some formulas contain only basic vitamins and minerals, while others include herbs, probiotics, or omega-3 fatty acids (often sourced from fish oil).
—Christopher Bergland, Verywell Health, 29 Dec. 2025
Beyond its moisturizing benefits, this body oil has anti-aging benefits thanks to vitamins and essential fatty acids found in natural oils—in this case, sunflower seed oil, olive oil, and jojoba oil.
—Deanna Pai, Glamour, 27 Dec. 2025
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Lauren O'Connor, Health, 31 Dec. 2025
As for nutrients to take into account, Viar also mentions magnesium for its ability to regulate the nervous system and induce rest; Omega-3 fatty acids for their key anti-inflammatory role; tryptophan, a precursor of serotonin; and plenty of B vitamins.
—Mónica Heras, Vogue, 30 Dec. 2025
Some formulas contain only basic vitamins and minerals, while others include herbs, probiotics, or omega-3 fatty acids (often sourced from fish oil).
—Christopher Bergland, Verywell Health, 29 Dec. 2025
Beyond its moisturizing benefits, this body oil has anti-aging benefits thanks to vitamins and essential fatty acids found in natural oils—in this case, sunflower seed oil, olive oil, and jojoba oil.
—Deanna Pai, Glamour, 27 Dec. 2025
See All Example Sentences for fatty acid
Cite this Entry
“Fatty acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fatty%20acid. Accessed 2 Jan. 2026.
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