coefficient of retraction
coefficient of retractionPulmonology The ratio of the maximal static recoil pressure to total lung capacity, a sensitive indicator of elastic recoil; ↓ COR is typical of severe emphysema, and results in a left shift in volume-pressure curve. See Elastic recoil, Lung-reduction surgery.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.