aneurysm

or an·eu·rism

[ an-yuh-riz-uhm ]

/ ˈæn yəˌrɪz əm /

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noun Pathology.

a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall.

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Origin of aneurysm

1650–60; <Greek aneúrysma dilation, equivalent to aneurys- (variant stem of aneurýnein to dilate; see an-³, eury-) + -ma noun suffix

OTHER WORDS FROM aneurysm

an·eu·rys·mal, an·eu·ris·mal, adjectivean·eu·rys·mal·ly, an·eu·ris·mal·ly, adverb

Words nearby aneurysm

aneuch, aneuploid, aneuploidy, aneuria, aneurin, aneurysm, anew, A new broom sweeps clean, an eye for an eye, eye opener, an, ANF

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use aneurysm in a sentence

For some patients, it can even go away completely—like it reportedly did after about a week for Game of Thrones star Emilia Clarke, who developed the disorder after having a brain aneurysm.
What It's Like Living With Aphasia—and How to Support a Loved One With the Condition|Tara Law|March 31, 2022|Time
He died in his apartment of an aortic aneurysm the night before Rent’s off-Broadway premiere.
The intertwined legacies of Jonathan Larson and Lin-Manuel Miranda|Constance Grady|November 19, 2021|Vox
Now, not only would I not put my life at risk unnecessarily, but the aneurysm—that near-death experience—really affected me.
The Story Behind ‘The Perfect Storm’|jversteegh|October 27, 2021|Outside Online
He returned to the organization as pitching coach in 2004 and 2005, but surgery for an aortic aneurysm ended his coaching career.
Ray Miller, ex-Orioles manager and longtime pitching coach, dies|Nathan Ruiz|May 5, 2021|Washington Post

According to the Brain Aneurysm Foundation the mortality rate is around 40 percent.
Popes, Saints, Miracles, Weird Relics and Odd Omens Converge on Rome|Barbie Latza Nadeau|April 26, 2014|DAILY BEAST
He discovered that his friend had just died from a brain aneurysm, and would never learn about the show.
‘Out There’: Ryan Quincy’s Take on Those Awkward High School Years|Jean Trinh|February 22, 2013|DAILY BEAST
The episode employs the tried and true conceit: a character has an aneurysm and begins hallucinating his life as a musical.
‘American Horror Story’ Sings “The Name Game” and 12 Other Bizarre TV Musical Numbers (VIDEO)|Kevin Fallon|January 8, 2013|DAILY BEAST
In the opening pages, village council member Barry Fairbrother drops dead from a brain aneurysm.
‘The Casual Vacancy’ Review: J.K. Rowling Cuts Loose From Harry Potter|Malcolm Jones|September 27, 2012|DAILY BEAST
Coffee-drinking increases the risk of intracranial aneurysm by 10.6 percent.
Can Coffee Save Your Life?|Anneli Rufus|October 28, 2011|DAILY BEAST
An aneurysm needle threaded with silk is now passed around the vein from within outwards.
A System of Operative Surgery, Volume IV (of 4)|Various
The rupture of a popliteal aneurysm, however, by compressing the vein and the articular branches, usually determines gangrene.
Manual of Surgery|Alexis Thomson and Alexander Miles
In other cases the blood escapes beyond the sheath and collects in the surrounding tissues, and a traumatic aneurysm results.
Manual of Surgery|Alexis Thomson and Alexander Miles
They usually heal rapidly, but, like punctured wounds, are liable to be followed by the formation of an aneurysm.
Manual of Surgery|Alexis Thomson and Alexander Miles
When the associated wound in the soft parts is valvular the hæmorrhage is arrested and an aneurysm may develop.
Manual of Surgery|Alexis Thomson and Alexander Miles

British Dictionary definitions for aneurysm

aneurysm

aneurism

/ (ˈænjəˌrɪzəm) /

noun

a sac formed by abnormal dilation of the weakened wall of a blood vessel

Derived forms of aneurysm

aneurysmal, aneurismal, aneurysmatic or aneurismatic, adjectiveaneurysmally, aneurismally, aneurysmatically or aneurismatically, adverb

Word Origin for aneurysm

C15: from Greek aneurusma, from aneurunein to dilate, from eurunein to widen

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

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.