atherosclerosis

noun

ath·​ero·​scle·​ro·​sis ˌa-thə-ˌrō-sklə-ˈrō-səs How to pronounce atherosclerosis (audio)
: an arteriosclerosis characterized by atheromatous deposits in and fibrosis of the inner layer of the arteries
atherosclerotic adjective

Examples of atherosclerosis 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.
Ischemic stroke happens when an artery that supplies the brain is clogged with a blood clot, often as a result of atherosclerosis or cardioembolism—when a blood clot travels from the heart to the brain. Alicen Nelson Md, Verywell Health, 27 Mar. 2025 And sure enough, in tests in pigs the therapy reduced atherosclerosis as effectively as previous drugs, without any damage to blood cells. Michael Irving, New Atlas, 14 Oct. 2024 Changes in blood chemistry from cigarette smoke can also cause plaque in the body's arteries, resulting in a disease called atherosclerosis, according to the CDC. Greta Cross, USA TODAY, 21 Mar. 2025 To assess the age of arteries, a scoring system can be applied that takes into consideration factors that promote atherosclerosis including total cholesterol, LDL cholesterol, blood pressure, diabetes, smoking, etc. Bryant Stamford, The Courier-Journal, 15 Aug. 2024 See All Example Sentences for atherosclerosis

Word History

Etymology

New Latin

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of atherosclerosis was in 1910

Browse Nearby Words

Cite this Entry

“Atherosclerosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atherosclerosis. Accessed 24 May. 2025.

Kids Definition

atherosclerosis

noun
ath·​ero·​scle·​ro·​sis ˌath-ə-rō-sklə-ˈrō-səs How to pronounce atherosclerosis (audio)
: hardening and thickening of the walls of arteries due to deposit of fatty substances in the inner layer

Medical Definition

atherosclerosis

noun
ath·​ero·​scle·​ro·​sis ˌath-ə-rō-sklə-ˈrō-səs How to pronounce atherosclerosis (audio)
plural atheroscleroses -ˌsēz How to pronounce atherosclerosis (audio)
: an arteriosclerosis characterized by atheromatous deposits in and fibrosis of the inner layer of the arteries
atherosclerotic adjective
atherosclerotically adverb

More from Merriam-Webster on atherosclerosis

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