atelectasis

noun
at·​el·​ec·​ta·​sis | \ ˌa-tə-ˈlek-tə-səs How to pronounce atelectasis (audio) \
plural atelectases\ -​ˌsēz How to pronounce atelectases (audio) \

Definition of atelectasis

: collapse of the expanded lung also : defective expansion of the pulmonary alveoli at birth

First Known Use of atelectasis

1837, in the meaning defined above

History and Etymology for atelectasis

New Latin, from Greek atelēs incomplete, defective (from a- a- entry 2 + telos end) + ektasis extension, from ekteinein to stretch out, from ex- + teinein to stretch — more at telos, thin

Keep scrolling for more

Learn More about atelectasis

Dictionary Entries near atelectasis

-ated

atef

atel-

atelectasis

Ateles

atelestite

atelic

Statistics for atelectasis

Look-up Popularity

Time Traveler for atelectasis

The first known use of atelectasis was in 1837

See more words from the same year

Keep scrolling for more

More Definitions for atelectasis

atelectasis

noun
at·​el·​ec·​ta·​sis | \ ˌat-ᵊl-ˈek-tə-səs How to pronounce atelectasis (audio) \
plural atelectases\ -​ˌsēz How to pronounce atelectases (audio) \

Medical Definition of atelectasis

: collapse of the expanded lung also : defective expansion of the pulmonary alveoli at birth

Other Words from atelectasis

atelectatic \ -​ek-​ˈtat-​ik How to pronounce atelectatic (audio) \ adjective

More from Merriam-Webster on atelectasis

Britannica.com: Encyclopedia article about atelectasis

Comments on atelectasis

What made you want to look up atelectasis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to complain fretfully

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!