aneurysm

noun

an·​eu·​rysm ˈan-yə-ˌri-zəm 

variants or less commonly aneurism

: an abnormal blood-filled bulge of a blood vessel and especially an artery resulting from weakening (as from disease) of the vessel wall

aneurysmal

ˌan-yə-ˈriz-məl 

adjective

Examples of aneurysm in a Sentence

Recent Examples on the Web

The eventual diagnosis: a ruptured aneurysm in a pancreatic artery that had caused a massive abdominal hemorrhage, with enough blood loss to bring Junger perilously close to death. —Steven Petrow, Washington Post, 19 July 2024

Another son, Jim, died at 51 in 2014 of an aortic aneurysm. —Greg Evans, Deadline, 19 Aug. 2024

Another son, Jim, 51, died in 2014 of an aortic aneurysm. —Mike Barnes, The Hollywood Reporter, 19 Aug. 2024

The daughter of a 73-year-old man who was scheduled for open-heart surgery Friday at Baptist Health hospital in Paducah, Kentucky, said the procedure to clear eight blockages and repair an aneurysm was canceled due to the global technology outage. —Mirna Alsharif, NBC News, 21 July 2024

Word History

Etymology

Greek aneurysma, from aneurynein to dilate, from ana- + eurynein to stretch, from eurys wide — more at eury-

First Known Use

15th century, in the meaning defined above

Medical Definition

aneurysm

noun

an·​eu·​rysm

variants also aneurism

ˈan-yə-ˌriz-əm 

: an abnormal blood-filled dilatation of a blood vessel and especially an artery resulting from disease of the vessel wall

aneurysmal adjective

also aneurismal

ˌan-yə-ˈriz-məl 

aneurysmally

-ē 

adverb