atherosclerosis
noun
ath·ero·scle·ro·sis
ˌa-thə-ˌrō-sklə-ˈrō-səs 
: an arteriosclerosis characterized by atheromatous deposits in and fibrosis of the inner layer of the arteries
Examples of atherosclerosis in a Sentence
Recent Examples on the Web
Part of the body's response to this inflammation results in build-up of cholesterol plaque, or atherosclerosis.
—
Angela Ryan Lee,
Verywell Health,
23 June 2026
When estrogen levels drop, blood vessels can stiffen—an early step toward high blood pressure and atherosclerosis, or plaque buildup in the arteries.
—
Cathy Nelson,
Health,
26 May 2026
According to Mayo Clinic, atherosclerosis involves the buildup of fats, cholesterol and other substances − also known as plaque − in the arteries.
—
Charles Trepany,
USA Today,
6 May 2026
Early endothelial dysfunction is now understood to precede more advanced atherosclerosis.
—
Bill Frist,
Forbes.com,
4 May 2026
See All Example Sentences for atherosclerosis
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Angela Ryan Lee,
Verywell Health,
23 June 2026
When estrogen levels drop, blood vessels can stiffen—an early step toward high blood pressure and atherosclerosis, or plaque buildup in the arteries.
—
Cathy Nelson,
Health,
26 May 2026
According to Mayo Clinic, atherosclerosis involves the buildup of fats, cholesterol and other substances − also known as plaque − in the arteries.
—
Charles Trepany,
USA Today,
6 May 2026
Early endothelial dysfunction is now understood to precede more advanced atherosclerosis.
—
Bill Frist,
Forbes.com,
4 May 2026
See All Example Sentences for atherosclerosis
Cite this Entry
“Atherosclerosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atherosclerosis. Accessed 5 Jul. 2026.
Copy CitationKids Definition
atherosclerosis
noun
ath·ero·scle·ro·sis
ˌath-ə-rō-sklə-ˈrō-səs
: 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
plural atheroscleroses
-ˌsēz
: an arteriosclerosis characterized by atheromatous deposits in and fibrosis of the inner layer of the arteries
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