an·eu·rysm

[an-yuh-riz-uhm]
noun Pathology.
a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall.
Also, an·eu·rism.


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

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 Dictionary, © Random House, Inc. 2013.
Cite This Source Link To aneurysm
Collins
World English Dictionary
aneurysm or aneurism (ˈænjəˌrɪzəm) [Click for IPA pronunciation guide]
 
n
a sac formed by abnormal dilation of the weakened wall of a blood vessel
 
[C15: from Greek aneurusma, from aneurunein to dilate, from eurunein to widen]
 
aneurism or aneurism
 
n
 
[C15: from Greek aneurusma, from aneurunein to dilate, from eurunein to widen]
 
aneu'rysmal or aneurism
 
adj
 
aneu'rismal or aneurism
 
adj
 
aneurys'matic or aneurism
 
adj
 
aneuris'matic or aneurism
 
adj
 
aneu'rysmally or aneurism
 
adv
 
aneu'rismally or aneurism
 
adv
 
aneurys'matically or aneurism
 
adv
 
aneuris'matically or aneurism
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Aneurysm is always a great word to know.
So is bezoar. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Etymonline
Word Origin & History

aneurysm
1610s, from Gk. aneurysmos "dilation," from aneurynein "to dilate," from ana- "up" + eurynein "widen," from eurys "broad."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

aneurysm an·eu·rysm or an·eu·rism (ān'yə-rĭz'əm)
n.
A localized, blood-filled dilation of a blood vessel caused by disease or weakening of the vessel wall.


an'eu·rys'mal (-məl) or an'eu·ris·mat'ic (-māt'ĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
aneurysm   (ān'yə-rĭz'əm)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
They are usually caused by the rupture of an aneurysm, a bulge in a blood vessel, which creates a weakening in the artery wall.
Doctors perform surgery to treat an abdominal aortic aneurysm.
Friends said the cause was heart failure during treatment for an aneurysm.
He has since had a stroke and now has an inoperable aneurysm, diabetes and congestive heart failure.
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