Dictionary Home »
Webster's New World College Dictionary » aneurysm
aneurysm
aneurysm definition
aneu·rysm or aneurism an′eu·rism (an′yo̵̅o̅ riz′əm, -yə-)
noun
a sac formed by local enlargement of the weakened wall of an artery, a vein, or the heart, caused by disease or injury
Etymology: ModL aneurisma < Gr aneurysma < ana-, up + eurys, broad: see eury-
Related Forms:
- aneurysmal an′eu·rys′·mal adjective or aneurismal an′eu·ris′·mal (-riz′məl)
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
Comments
Improve this definition.
Share on Facebook