aneurysm

Alternative forms

• aneurism

Etymology

From Ancient Greek ἀνεύρυσμα (aneúrusma, “a widening, an opening”), from ἀνά (aná, “up”) + εὐρύς (eurús, “wide”).

Pronunciation

• (UK) IPA^(key): /ˈæn.jəɹ.ɪz.m̩/
• (US) IPA^(key): /ˈæn.jɚ.ɪz.m̩/

Noun

aneurysm (plural aneurysms)

1. (pathology) An abnormal blood-filled swelling of an artery or vein, resulting from a localized weakness in the wall of the vessel.