Definition of atelectasis in English:

Share this entry


Pronunciation: /ˌatɪˈlɛktəsɪs/


[mass noun] Medicine
Partial collapse or incomplete inflation of the lung.
Example sentences
  • Indications for postoperative mechanical ventilation are respiratory acidosis, severe hypoxemia, atelectasis, and pneumonia.
  • This edema leads to hyperinflation and atelectasis of the lungs, and wheezing.
  • The tumor or its effects, atelectasis or pneumonia, are usually evident on the chest radiograph.


Mid 19th century: from Greek atelēs 'imperfect' + ektasis 'extension'.

For editors and proofreaders

Line breaks: atel|ec¦tasis

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.