: a monounsaturated fatty acid C18H34O2 obtained from natural fats and oils

Examples of oleic acid in a Sentence

Recent Examples on the Web
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Its high concentration of oleic acid keeps moisture in, plus vitamins A, C and E protect lips from sun exposure and oxidative stress. Celia Shatzman, Forbes.com, 15 May 2025 Research shows that omega-9 fats, like oleic acid, may help reduce inflammation and aid in heart health. Melissa Nieves, Verywell Health, 18 Mar. 2025 Balance cholesterol Black olives contain oleic acid, an unsaturated fat that contributes to maintaining normal blood cholesterol levels. Violeta Valdés, Vogue, 1 May 2025 The claim states that oils containing at least 70% oleic acid may help reduce the risk of heart disease. Lindsey Desoto, Health, 28 Apr. 2025 See All Example Sentences for oleic acid

Word History

First Known Use

1819, in the meaning defined above

Time Traveler
The first known use of oleic acid was in 1819

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Cite this Entry

“Oleic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oleic%20acid. Accessed 23 May. 2025.

Medical Definition

oleic acid

noun
: a monounsaturated fatty acid C18H34O2 found in natural fats and oils

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