fat cell
noun
: a specialized cell of adipose tissue that stores excess energy in the form of triglyceride droplets : adipocyte
When food is not available and insulin levels fall, the fat cells release triglycerides back into the bloodstream, where they are transported to the liver and broken down into ketones, which can serve as fuel for muscle and the brain.—
Jeffrey S. Flier et al.
Jeffrey S. Flier et al.Cellulite is formed by a collection of fat cells around the fibrous cords that attach skin to muscle.—Jeannie Ralston
Jeannie RalstonExamples of fat cell in a Sentence
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When the researchers knocked out adipogenin production in mice, both fat droplets and in turn fat cells were smaller, indicating that the protein plays a key role in determining the size of the lipid package being stored in adipocytes.
—New Atlas, 25 Nov. 2025
The studies also demonstrate that the product does, indeed, integrate into surrounding tissue and promote the growth of new fat cells and blood vessels for a limited time after injection.
—Jolene Edgar, Allure, 19 Nov. 2025
The study, published in the journal Cell Metabolism, showed that fat cells under the skin can restart hair growth.
—Angelica Stabile, FOXNews.com, 2 Nov. 2025
They are not only enriched in our fat cells but also in plant oils, such as olive oil, soybean oils, etc.
—Jasmine Laws, MSNBC Newsweek, 27 Oct. 2025
See All Example Sentences for fat cell
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New Atlas, 25 Nov. 2025
The studies also demonstrate that the product does, indeed, integrate into surrounding tissue and promote the growth of new fat cells and blood vessels for a limited time after injection.
—Jolene Edgar, Allure, 19 Nov. 2025
The study, published in the journal Cell Metabolism, showed that fat cells under the skin can restart hair growth.
—Angelica Stabile, FOXNews.com, 2 Nov. 2025
They are not only enriched in our fat cells but also in plant oils, such as olive oil, soybean oils, etc.
—Jasmine Laws, MSNBC Newsweek, 27 Oct. 2025
See All Example Sentences for fat cell
Cite this Entry
“Fat cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fat%20cell. Accessed 5 Dec. 2025.
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fat cell
noun
: a specialized cell of adipose tissue that stores excess energy in the form of triglyceride droplets : adipocyte
When food is not available and insulin levels fall, the fat cells release triglycerides back into the bloodstream, where they are transported to the liver and broken down into ketones, which can serve as fuel for muscle and the brain.—Jeffrey S. Flier et al.
compare lipocyte
Jeffrey S. Flier et al.Love words? Need even more definitions?
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