How to Pronounce Atelectasis
Definition, meaning, and phonetic spelling
Atelectasis Pronunciation
at-eh-LEK-tah-sis
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
at
eh
LEK
stress here
tah
sis
5 syllables
What is Atelectasis?
A complete or partial collapse of a lung or section of a lung caused by alveoli deflating, often from mucus plugging, a tumor, or compression. It is a common finding after surgery and reduces the lung's ability to exchange oxygen and carbon dioxide.
Questions About Atelectasis
How do you pronounce atelectasis?
+
Atelectasis is pronounced "at-eh-LEK-tah-sis." The stress falls on the third syllable, which is LEK. Say it like you're emphasizing the middle part of the word: at-eh-LEK-tah-sis.
What are the syllables in atelectasis?
+
Atelectasis breaks into five syllables: at-e-lek-ta-sis. Each syllable gets its own short sound, and when you put them together, the LEK syllable stands out because it gets the stress.
What's the most common mispronunciation of atelectasis?
+
Many people stress the wrong syllable and say "at-eh-lek-TAH-sis" with emphasis on the fourth syllable instead of the third. Remember: the stress goes on LEK, not TAH. The correct way is at-eh-LEK-tah-sis.
Where does the word atelectasis come from?
+
Atelectasis comes from Greek words: "ateles" meaning incomplete and "ektasis" meaning stretching or expansion. Put together, it literally means "incomplete expansion," which describes what happens when part of the lung doesn't stay fully inflated.
What does atelectasis mean in plain English?
+
Atelectasis is a medical way of saying that a part of the lung has collapsed or fallen down. Think of it like a balloon that has lost some of its air and isn't puffed up anymore.
Are there related words that share the same root as atelectasis?
+
Yes! The word "ectasis" appears in other medical terms like "bronchiectasis" (widening of the airways). Both words use the Greek root "ektasis" which means stretching or expansion, but atelectasis means the opposite—a lack of proper expansion.
How would you use atelectasis in a simple sentence?
+
You might hear a doctor say: "The X-ray showed some atelectasis in the lower part of the left lung." This sentence tells you where the collapsed lung tissue is located using the correct pronunciation and context.
Is there a short abbreviation for atelectasis?
+
Atelectasis is sometimes abbreviated as "ATE," but most healthcare workers and medical professionals tend to say the full word atelectasis rather than using the short form.

