aneurysm or an·eu·rism [ an-y uh-riz- uh m ] SHOW IPA / ˈæn yəˌrɪz əm / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun . Pathology a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall. Nearby words aneuch
aneurysm of charcot
aneurysmal bone cyst
aneurysmoplasty Origin of aneurysm 1650–60;
dilation, equivalent to
(variant stem of
to dilate; see
Related forms an·eu·rys·mal, an·eu·ris·mal, adjective an·eu·rys·mal·ly, an·eu·ris·mal·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for aneurism
However, he sought an explanation of Benedetta's death, and hesitatingly ascribed it to
aneurism, or possibly embolism.
The proofs we possess as to the frequency of abdominal, especially mesenteric,
aneurism from this source are overwhelming.
Fourier had already experienced, in Egypt and Grenoble, some attacks of
aneurism of the heart.
Dempster died suddenly this morning of
aneurism of the heart, leaving no confession of any kind.' British Dictionary definitions for aneurism noun a sac formed by abnormal dilation of the weakened wall of a blood vessel Derived Forms aneurysmal, aneurismal, aneurysmatic or aneurismatic, adjective aneurysmally, 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
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Medicine definitions for aneurism n. A localized, blood-filled dilation of a blood vessel caused by disease or weakening of the vessel wall. Related forms 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.
Science definitions for aneurism 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.