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.
This recommendation is backed by a 2001 study, which found that about 85% of adults over the age of 50 already experience atherosclerosis, which can lead to coronary artery disease. Isa Almeida, Oklahoman, 23 Jan. 2026 The initial damage to blood vessels leading to this condition is often due to other underlying health problems such as high blood pressure, atherosclerosis, or diabetes. Dr. Jade Cobern, ABC News, 22 Jan. 2026 This recommendation was backed by a 2001 study, which found that about 85% of adults over the age of 50 already experience atherosclerosis, which can lead to coronary artery disease. Greta Cross, USA Today, 21 Jan. 2026 These amino acids may protect against the development of atherosclerosis, or the thickening or hardening of the arteries caused by a buildup of plaque. Jillian Kubala, Health, 31 Dec. 2025 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

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Cite this Entry

“Atherosclerosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/atherosclerosis. Accessed 31 Jan. 2026.

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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