fish oil

noun

: a fatty oil from the bodies of various fishes (such as menhaden or sardines) that contains large amounts of unsaturated fatty acids and is used as a dietary supplement and in making various products (such as cosmetics and paints)

Examples of fish oil in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Unlike fish oil, krill oil gets its red color from the antioxidant astaxanthin, which can support eye health and reduce inflammation. Stephanie Brown, Verywell Health, 27 Feb. 2025 Supplement makers want consumers to be able to use programs like health savings accounts, Medicare, and even benefits from the Supplemental Nutrition Assistance Program, or SNAP, to pay for such items as vitamins, fish oil, protein powders, and probiotics. Arthur Allen, CNN, 26 Feb. 2025 According to a recent study, people who took fish oil supplements, also called omega-3, showed signs of slower biological aging. Maggie O'Neill, Verywell Health, 12 Feb. 2025 Sugar in Skittles isn’t the same as sugar in strawberries; fish oil in a capsule isn’t fish oil in a fish. Dhruv Khullar, The New Yorker, 6 Jan. 2025 See All Example Sentences for fish oil

Word History

First Known Use

1785, in the meaning defined above

Time Traveler
The first known use of fish oil was in 1785

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Cite this Entry

“Fish oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fish%20oil. Accessed 10 Mar. 2025.

Medical Definition

fish oil

noun
: a fatty oil that is obtained from oily fish (such as herring or menhaden), contains large amounts of unsaturated fatty acids, and is used as a dietary supplement and in making various products (such as protective coatings, cosmetics, and animal feed)
Scientists learned some time ago that there are significant health benefits from consuming omega-3 fatty acids, which are found mostly in fish oils, algal oils, and linseed oil.Felicia M. Willis, Today's Chemist at Work

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