aneurysm
or an·eu·rism
a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall.
Origin of aneurysm
1Other words from aneurysm
- an·eu·rys·mal, an·eu·ris·mal, adjective
- an·eu·rys·mal·ly, an·eu·ris·mal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use aneurysm in a sentence
After he suffered a brain aneurysm, she sat by his side as they removed his life support.
Covid-19 destroyed a young man’s lungs. Can his foster mom let him go? | Steve Thompson | January 19, 2021 | Washington PostI had open-heart surgery a decade ago to fix an aortic aneurysm and calcified valve.
Doctors and patients face a painkiller crisis, even as they fight COVID | matthewheimer | December 16, 2020 | FortuneThe presence of diseased patches in the wall of an artery diminishes its elasticity and favours aneurysmal dilatation.
Manual of Surgery | Alexis Thomson and Alexander MilesAneurysmal varix may occur in the neck as a result of stabs or bullet wounds.
Manual of Surgery | Alexis Thomson and Alexander MilesSometimes the arterial vessels are so dilated as to impart to the tumour an aneurysmal pulsation and bruit.
Manual of Surgery | Alexis Thomson and Alexander Miles
It is possible to rupture a vessel, the walls of which are encrusted with lime salts, and full of small aneurysmal dilatations.
Arteriosclerosis and Hypertension: | Louis Marshall Warfield
British Dictionary definitions for aneurysm
aneurism
/ (ˈænjəˌrɪzəm) /
a sac formed by abnormal dilation of the weakened wall of a blood vessel
Origin of aneurysm
1Derived forms of aneurysm
- aneurysmal, aneurismal, aneurysmatic or aneurismatic, adjective
- aneurysmally, aneurismally, aneurysmatically or aneurismatically, adverb
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 aneurysm
[ ăn′yə-rĭz′əm ]
A localized, blood-filled dilation of a blood vessel or cardiac chamber caused by disease, such as arteriosclerosis, or weakening of the vessel or chamber wall. A ruptured aneurysm results in hemorrhage and is often fatal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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