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
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Key Takeaways Cod liver oil and fish oil are from different sources, but both provide omega-3 fatty acids and other healthy fats that support heart health.
—
Lana Barhum,
Verywell Health,
30 June 2026
Many people take an omega-3 fish oil supplement to help lower their risk of Alzheimer's disease and dementia.
—
Michele Laufik,
Martha Stewart,
26 June 2026
However, the effect of fish oil on blood pressure is often mild.
—
Emmanuella Ogbonna,
Health,
24 June 2026
Berenberg chemicals analyst Sebastian Bray highlighted fish oil producers as a potential beneficiary.
—
Bloomberg,
Fortune,
21 June 2026
See All Example Sentences for fish oil
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Lana Barhum,
Verywell Health,
30 June 2026
Many people take an omega-3 fish oil supplement to help lower their risk of Alzheimer's disease and dementia.
—
Michele Laufik,
Martha Stewart,
26 June 2026
However, the effect of fish oil on blood pressure is often mild.
—
Emmanuella Ogbonna,
Health,
24 June 2026
Berenberg chemicals analyst Sebastian Bray highlighted fish oil producers as a potential beneficiary.
—
Bloomberg,
Fortune,
21 June 2026
See All Example Sentences for fish oil
Cite this Entry
“Fish oil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fish%20oil. Accessed 7 Jul. 2026.
Copy CitationMedical 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
Felicia M. Willis, Today's Chemist at WorkLove words? Need even more definitions?
Merriam-Webster unabridged
