aneurysmal

aneurysm

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


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

aneurysmal, aneurismal, adjective
aneurysmally, aneurismally, adverb
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World English Dictionary
aneurysm or aneurism (ˈænjəˌrɪzəm)
 
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
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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
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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.
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