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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
Softgels are available as multivitamins, vitamin D, fish oil, and more.
—Lana Barhum, Verywell Health, 16 Dec. 2024
Fish Oil Certain studies have shown that taking fish oil as a supplementary treatment for IgA nephropathy may offer some benefits.
—Cristina Mutchler, Health, 20 Sep. 2024
Sources of omega-3 include fatty fish—such as salmon, mackerel, sardines and trout—as well as flaxseeds, walnuts, fish oil supplements and cod liver oil.
—Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
Third-party testing is important as fish oils can be contaminated with heavy metals.
—Tamar Kane, Ms, Rd, Verywell Health, 9 Oct. 2024
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Word History
First Known Use
1785, in the meaning defined above
Dictionary Entries Near fish oil
Cite this Entry
“Fish oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fish%20oil. Accessed 5 Jan. 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
More from Merriam-Webster on fish oil
Britannica.com: Encyclopedia article about fish oil
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