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.
Pulmonic stenosis is a congenital heart defect where the flow of blood from the heart to the lungs is obstructed, and a grade VI murmur is the most intense type of heart murmur, typically indicating a significant abnormality. Lydia Patrick, MSNBC Newsweek, 21 June 2025 Spinal Stenosis Spinal stenosis is the narrowing of the spinal column. Kelly Burch Published, Verywell Health, 12 May 2025 People with lower-back conditions, such as spinal stenosis, degenerative disc disease, or spinal instability, may find the position aggravates their condition. Stephanie Anderson Witmer, Health, 5 May 2025 These shifts can increase your chances of certain injuries and conditions such as herniated discs, bone spurs, arthritis, and spinal stenosis, or the narrowing of the spaces within the spine that causes pressure on the spinal cord and nerves. Jenny McCoy, SELF, 1 May 2025 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 1 Jul. 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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