[ ath-uh-roh-skluh-roh-sis, ath- ]
/ ˌæθ ə roʊ skləˈroʊ sɪs, ˌæð- /
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noun Pathology.
a common form of arteriosclerosis in which fatty substances form a deposit of plaque on the inner lining of arterial walls.


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Origin of atherosclerosis

1905–10; <German Atherosklerose;see athero-, sclerosis

OTHER WORDS FROM atherosclerosis

ath·er·o·scle·rot·ic [ath-uh-roh-skluh-rot-ik, ath-], /ˌæθ ə roʊ skləˈrɒt ɪk, ˌæð-/, adjectiveath·er·o·scle·rot·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use atherosclerosis in a sentence

British Dictionary definitions for atherosclerosis

/ (ˌæθərəʊsklɪəˈrəʊsɪs) /

noun plural -ses (-siːz)
a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosisSee atheroma

Derived forms of atherosclerosis

atherosclerotic (ˌæθərəʊsklɪəˈrɒtɪk), adjective

Word Origin for atherosclerosis

C20: from New Latin, from Greek athēra gruel (see atheroma) + sclerosis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for atherosclerosis

[ ăth′ə-rō-sklə-rōsĭs ]

A form of arteriosclerosis characterized by the deposition of plaques containing cholesterol and lipids on the innermost layer of the walls of large- and medium-sized arteries. Individuals with atherosclerosis have a higher risk of coronary artery disease and stroke. Smoking, high blood pressure, diabetes mellitus, and elevated levels of fat in the blood contribute to the development of atherosclerosis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for atherosclerosis

[ (ath-uh-roh-skluh-roh-sis) ]

A form of arteriosclerosis in which the arteries become clogged by the buildup of fatty substances, which eventually reduces the flow of blood to the tissues. These fatty substances, called plaque, are made up largely of cholesterol. (Compare arteriosclerosis; see circulatory system.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.