[ ath-uh-roh-muh ]
/ ˌæθ əˈroʊ mə /
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noun, plural ath·er·o·mas, ath·er·o·ma·ta [ath-uh-roh-muh-tuh]. /ˌæθ əˈroʊ mə tə/. Pathology.

a sebaceous cyst.
a mass of yellowish fatty and cellular material that forms in and beneath the inner lining of the arterial walls.



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Origin of atheroma

1700–10; <New Latin, Latin: a tumor filled with gruellike matter <Greek athḗrōma, equivalent to athḗr(ē) gruel + -ōma-oma


ath·er·om·a·tous [ath-uh-rom-uh-tuhs, -roh-muh-], /ˌæθ əˈrɒm ə təs, -ˈroʊ mə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for atheroma

British Dictionary definitions for atheroma

/ (ˌæθəˈrəʊmə) /

noun plural -mas or -mata (-mətə)

pathol a fatty deposit on or within the inner lining of an artery, often causing an obstruction to the blood flow

Derived forms of atheroma

atheromatous (ˌæθəˈrɒmətəs, -ˈrəʊ-), adjective

Word Origin for atheroma

C18: via Latin from Greek athērōma tumour full of matter resembling gruel, from athēra gruel
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

Medical definitions for atheroma

[ ăth′ə-rōmə ]

n. pl. ath•er•o•mas

A deposit or degenerative accumulation of lipid-containing plaques on the innermost layer of the wall of an artery.

Other words from atheroma

ath′er•o•ma•tosis (-tōsĭs) n.ath′er•oma•tous (-rŏmə-təs, -rōmə-) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.