Dictionary
at•e•lec•ta•sis
Pronunciation: (at"l-ek'tu-sis), [key]—
n. Pathol.
1. incomplete expansion of the lungs at birth, as from lack of breathing force.
2. collapse of the lungs, as from bronchial obstruction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.