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
OTHER WORDS FROM aneurysm
an·eu·rys·mal, an·eu·ris·mal, adjectivean·eu·rys·mal·ly, an·eu·ris·mal·ly, adverbDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for aneurysm
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, adverbWord 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
Medical definitions for aneurysm
aneurysm
n.
A localized, blood-filled dilation of a blood vessel caused by disease or weakening of the vessel wall.
Other words from aneurysm
an′eu•rys′mal (-məl) null adj.The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.