: 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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Healthwise, cooking oil made from sunflowers is the preferred vegetable oil due to its unsaturated fats and, especially, its oleic acids that help increase good (HDL) cholesterol. Joshua Siskin, Oc Register, 2 Aug. 2025 One review of human intervention studies observed decreases in abdominal fat with a diet enriched in the monounsaturated fat oleic acid. Amy Brownstein, Ms, Rdn, Verywell Health, 31 Jan. 2025 The formula blends 100% pure olive oil, rich in oleic acid and antioxidant fatty acids, to penetrate the hair shaft, seal in moisture, and boost shine. Jailynn Taylor, Allure, 26 June 2025 By increasing both the number and readiness of fat cells, oleic acid may prime fat tissue to store more fat over time. Bronwyn Thompson, New Atlas, 9 June 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 20 Aug. 2025.

Medical Definition

oleic acid

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

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