mono·​un·​sat·​u·​rat·​ed ˌmä-nō-ˌən-ˈsa-chə-ˌrā-təd How to pronounce monounsaturated (audio)
: containing one double or triple bond per molecule
used especially of an oil, fat, or fatty acid
compare polyunsaturated
monounsaturate noun

Example Sentences

Recent Examples on the Web Avocados are loaded with fiber, vitamin E, lutein and monounsaturated fatty acids. Stefani Sassos, M.s., R.d.n., C.s.o., C.d.n., Good Housekeeping, 6 Dec. 2022 Olive oil is made up of monounsaturated fats shown to lower the amount of bad cholesterol, also known as LDL cholesterol, which has an anti-inflammatory impact on the body. Sara Novak, Discover Magazine, 7 Apr. 2022 Olive oil, known for its role in the Mediterranean diet, is abundant in healthy monounsaturated fatty acids and powerful antioxidants, like fat-soluble vitamin E which helps to support the health of your skin, hair and nails. Valerie Agyeman, Good Housekeeping, 17 Aug. 2022 Eating foods with monounsaturated and polyunsaturated fats in moderation has been linked to a slew of benefits: helping reduce inflammation and bad cholesterol, boosting good cholesterol, and lowering the risks of heart disease and obesity. Ambar Castillo, STAT, 1 Oct. 2022 Approximately 90% of its calories come from fat, mostly healthy, monounsaturated and polyunsaturated fat. Bethany Thayer, Detroit Free Press, 6 Aug. 2022 Nuts are rich in monounsaturated fats as well as omega-3 fatty acids, fiber, vitamin E, antioxidants and minerals. Amy Fischer Ms, Rd, Cdn, Good Housekeeping, 30 June 2022 The seeds are good sources of monounsaturated and polyunsaturated fatty acids, which guard against heart attack and stroke and lower levels of bad cholesterol in the blood. Erica Sweeney, Good Housekeeping, 16 June 2022 However, fats like monounsaturated and polyunsaturated fats are the heart-healthy choices. Sandee Lamotte, CNN, 30 Mar. 2022 See More

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

Word History

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of monounsaturated was in 1939

Dictionary Entries Near monounsaturated

Cite this Entry

“Monounsaturated.” Dictionary, Merriam-Webster, Accessed 27 Mar. 2023.

Kids Definition


mono·​un·​sat·​u·​rat·​ed ˌmän-ō-ˌən-ˈsach-ə-ˌrāt-ed How to pronounce monounsaturated (audio)
: containing one double or triple bond per molecule
used especially of an oil, fat, or fatty acid

Medical Definition


mono·​un·​sat·​u·​rat·​ed ˌmän-ō-ˌən-ˈsach-ə-ˌrāt-əd How to pronounce monounsaturated (audio)
of an oil, fat, or fatty acid
: containing one double or triple bond per molecule
canola and olive oils are rich in monounsaturated fatty acids
compare polyunsaturated
Last Updated: - Updated example sentences
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