-
- To save this word, you'll need to log in.
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.
Cellulite is formed by a collection of fat cells around the fibrous cords that attach skin to muscle.—Jeannie Ralston
Examples of fat cell in a Sentence
Recent Examples on the Web
By three weeks post-jab, new blood vessels are taking root and fat cells are moving into the matrix, Chnari says.
—Jolene Edgar, Allure, 9 Jan. 2025
Together, the findings suggest fat cells resist efforts to slim down.
—Christie Wilcox, science.org, 19 Nov. 2024
The genes that were less active are responsible for helping the fat cells function normally.
—Sarah Kuta, Smithsonian Magazine, 20 Nov. 2024
Next, researchers found similar epigenetic changes to fat cells in mice.
—Sarah Kuta, Smithsonian Magazine, 20 Nov. 2024
See all Example Sentences for fat cell
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.
Word History
First Known Use
1840, in the meaning defined above
Dictionary Entries Near fat cell
Cite this Entry
“Fat cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fat%20cell. Accessed 18 Jan. 2025.
Kids Definition
fat cell
noun
: any of the fat-containing cells that make up the connective tissue in which bodily fat is stored
Medical Definition
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
More from Merriam-Webster on fat cell
Britannica.com: Encyclopedia article about fat cell
Love words? Need even more definitions?
Merriam-Webster unabridged
Share