tissue composed of a type of fat cell that dissipates as heat most of the energy released when food is oxidized; brown adipose tissue. It is present in hibernating animals and human babies and is thought to be important in adult weight control
brown fat in American English
a brownish tissue, rich in unsaturated fats, stored in certain areas of the body by a hibernating animal: it prevents freezing and may help to warm the animal as it awakens
Examples of 'brown fat' in a sentence
brown fat
While white fat stores energy, brown fat burns it up.