Definition of fat cell
: 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
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Merriam-Webster unabridged
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Time Traveler for fat cell
The first known use of fat cell was in 1840
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