- incomplete expansion of the lungs at birth, as from lack of breathing force.
- collapse of the lungs, as from bronchial obstruction.
Origin of atelectasis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- failure of the lungs to expand fully at birth
- collapse of the lung or a part of the lung, usually caused by bronchial obstruction
Word Origin for atelectasis
C19: New Latin, from Greek atelēs imperfect + ektasis extension
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
"incomplete expansion of the lungs," 1836, medical Latin, from Greek ateles "imperfect, incomplete," literally "without an end," (from a-, privative prefix, + telos "completion") + ektosis "extention." Related: Atelectatic.
Online Etymology Dictionary, © 2010 Douglas Harper
- The absence of gas from all or a part of the lungs, due to failure of expansion or resorption of gas from the alveoli.
- A congenital condition characterized by the incomplete expansion of the lungs at birth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.