noun

aneurysm

aneurysm

A brain aneurysm can be a life-threatening condition.

A brain aneurysm can be a life-threatening condition.

((an aneurysm)) a bulge in a blood vessel He was diagnosed with an aortic aneurysm.

Synonyms: bulge, dilation (of a blood vessel)

From Greek 'aneurysma', meaning 'a widening', from the verb 'aneurynein', 'to widen'.

Imagine a blood vessel widening or ballooning out, just as the Greek root suggests.

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