aneurysm

an·eu·rysm

A a

Definitions of aneurysm word

noun aneurysm a sac formed by abnormal dilation of the weakened wall of a blood vessel 3
noun aneurysm a sac formed by local enlargement of the weakened wall of an artery, a vein, or the heart, caused by disease or injury 3
noun aneurysm a permanent cardiac or arterial dilatation usually caused by weakening of the vessel wall. 1
noun aneurysm An excessive localized enlargement of an artery caused by a weakening of the artery wall. 1
noun aneurysm dilated blood vessel 1
noun aneurysm (pathology) An abnormal blood-filled swelling of an artery or vein, resulting from a localized weakness in the wall of the vessel. 0

before 1650

One of the 45% oldest English words

1650-60; < Greek aneúrysma dilation, equivalent to aneurys- (variant stem of aneurýnein to dilate; see an-3, eury-) + -ma noun suffix

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

A common word. It’s meaning is known to most children of preschool age. About 78% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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