n. The collapse of a part of or the whole lung caused by inner factors rather than a pneumothorax.
The Century Dictionary and Cyclopedia
n. Imperfect dilatation, especially of the air-cells of the lungs of newly born children.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. collapse of an expanded lung (especially in infants); also failure of pulmonary alveoli to expand at birth
Word Usage
"The thought here is that those patients with more edema might benefit more from higher PEEP.Interestingly, in some patients PEEP seems to cause harmful overdistention without eliminating the atelectasis."