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

During his viewing, his wife Holly had to be sent to the hospital for an aneurysm, requiring emergency brain surgery that evening. —Sam Cohn, Baltimore Sun, 24 May 2024

In the book, John suddenly dies from a ruptured cerebral aneurysm. —Kelsie Gibson, Peoplemag, 21 May 2024

His death, at a hospital, was caused by a brain aneurysm, his wife, Kathleen White, said. —Julia Moskin, New York Times, 16 May 2024

The 16-year-old was forced to undergo the emergency surgery last week after an MRI revealed a golf ball-sized aneurysm had formed off of his heart. —Malia Mendez, Los Angeles Times, 2 May 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