omega-3

adjective

ome·​ga-3 ō-ˈmā-gə-ˈthrē How to pronounce omega-3 (audio)
-ˈmē-,
-ˈme- How to pronounce omega-3 (audio)
: being or composed of polyunsaturated fatty acids that have the final double bond in the hydrocarbon chain between the third and fourth carbon atoms from the end of the molecule opposite that of the carboxyl group and that are found especially in fish, fish oils, green leafy vegetables, and some nuts and vegetable oils compare omega-6
omega-3 noun

Examples of omega-3 in a Sentence

Recent Examples on the Web Fish contains omega-3 fatty acids, which some studies have associated with reducing the risk of heart disease as well as dementia. Katia Hetter, CNN, 22 Feb. 2024 And eggs are nutrient-rich, including omega-3s, which may lower the risk of heart disease. Scott Lafee, San Diego Union-Tribune, 20 Feb. 2024 Fish:Eating fish is one of the easiest ways to increase your intake of omega-3 fatty acids, essential nutrients that 68% of adults don’t consume enough of. Clare Mulroy, USA TODAY, 18 Feb. 2024 Rich in protein and omega-3 fatty acids, B vitamins and minerals, wild salmon is considered a superfood. Lynda Balslev, The Mercury News, 12 Feb. 2024 The omega-3 fatty acids contained in these foods can have anti-inflammatory effects, according to the Arthritis Foundation. Anne Harding, Health, 9 Feb. 2024 For example, omega-3 fatty acids in fish and shellfish promote fetal brain development, and the folate in peanuts helps prevent neural tube defects, such as spina bifida. Kaitlin Bell, Parents, 6 Feb. 2024 Red meat and sweets are eaten rarely, but fish, which are packed with good-for-you omega-3 fatty acids, are a staple. Sandee Lamotte, CNN, 5 Feb. 2024 Moreover, these products boast elevated levels of anti-inflammatory antioxidants and omega-3 fatty acids. Charlotte Observer, 30 Jan. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'omega-3.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of omega-3 was in 1967

Dictionary Entries Near omega-3

Cite this Entry

“Omega-3.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/omega-3. Accessed 28 Feb. 2024.

Medical Definition

omega-3

adjective
ome·​ga-3 -ˈthrē How to pronounce omega-3 (audio)
: being or composed of polyunsaturated fatty acids in which the first double bond in the hydrocarbon chain occurs between the third and fourth carbon atoms from the end of the molecule most distant from the carboxylic acid group and which are found especially in fish (as tuna and salmon), fish oils, green leafy vegetables, and some vegetable oils
omega-3 noun
Last Updated: - Updated example sentences
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