Definition: Loss of energy that occurs when food energy (caloric intake) is less than the total energy your body uses, which results in weight loss.
Examples:
A caloric deficit of 3,500 calories leads to a weight loss of one pound.
Caloric Deficit
From Jennifer R. Scott, former About.com Guide
Updated August 10, 2008
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
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