stenosis

noun

ste·​no·​sis stə-ˈnō-səs How to pronounce stenosis (audio)
plural stenoses stə-ˈnō-ˌsēz How to pronounce stenosis (audio)
: a narrowing or constriction of the diameter of a bodily passage or orifice
stenotic adjective

Examples of stenosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Pulmonary stenosis is a narrowing of the pulmonary valve, preventing proper blood flow to the heart and lungs, according to the Mayo Clinic. Abigail Adams, People.com, 20 Dec. 2024 Common triggers include dehydration from illness, vasovagal syncope—a reflex response to nausea or pain—abnormal heart rhythms, and heart valve conditions such as aortic stenosis. Thomas G. Moukawsher, Newsweek, 6 Feb. 2025 His career was cut short because of spinal stenosis. Abbey Mastracco, New York Daily News, 18 Jan. 2025 These procedures, performed with surgery or minimally invasive techniques, can help to normalize the blood flow through valves, treating stenosis and regurgitation. Angela Ryan Lee, Health, 28 Dec. 2024 See All Example Sentences for stenosis

Word History

Etymology

New Latin, from Greek stenōsis act of narrowing, from stenoun to narrow, from stenos narrow

First Known Use

circa 1860, in the meaning defined above

Time Traveler
The first known use of stenosis was circa 1860

Browse Nearby Words

Cite this Entry

“Stenosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stenosis. Accessed 13 Mar. 2025.

Medical Definition

stenosis

noun
ste·​no·​sis stə-ˈnō-səs How to pronounce stenosis (audio)
plural stenoses -ˌsēz How to pronounce stenosis (audio)
: a narrowing or constriction of the diameter of a bodily passage or orifice
esophageal stenosis
see aortic stenosis, mitral stenosis, pulmonary stenosis, spinal stenosis, subaortic stenosis

More from Merriam-Webster on stenosis

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