aneurysm: meaning, definition, pronunciation and examples
C2Technical / Medical
Quick answer
What does “aneurysm” mean?
A serious medical condition where an artery wall weakens and bulges outward, creating a balloon-like swelling.
Audio
Pronunciation
Definition
Meaning and Definition
A serious medical condition where an artery wall weakens and bulges outward, creating a balloon-like swelling.
The term is used almost exclusively in medical contexts to refer to the pathological dilation of a blood vessel, most commonly an artery, with risk of rupture. Figuratively, it can describe any dangerously unstable, expanding weakness in a system.
Dialectal Variation
British vs American Usage
Differences
Spelling and pronunciation are consistent. The primary difference is in healthcare system terminology, e.g., 'NHS guidelines for aortic aneurysm screening' (UK) vs. 'CDC recommendations for abdominal aortic aneurysm' (US).
Connotations
Identically serious medical connotations in both regions.
Frequency
Equally low-frequency in general discourse but standard in medical and public health contexts in both the UK and US.
Grammar
How to Use “aneurysm” in a Sentence
patient + has + an aneurysmaneurysm + rupturessurgeons + operate on + an aneurysmto diagnose + an aneurysm + in + arteryVocabulary
Collocations
Examples
Examples of “aneurysm” in a Sentence
verb
British English
- The vessel was seen to aneurysm just distal to the bifurcation.
American English
- The artery aneurysmed, requiring immediate intervention.
adjective
British English
- The aneurysmal segment was resected during the operation.
American English
- He underwent surgery for an aneurysmal subarachnoid hemorrhage.
Usage
Meaning in Context
Business
Virtually never used except in insurance (risk assessment) or pharmaceutical/medical device industries.
Academic
Common in medical, biological, and public health research literature.
Everyday
Rare. Used only when discussing specific medical conditions of oneself, family, or in news reports.
Technical
The primary domain of use. Precise in cardiology, neurology, vascular surgery, and radiology.
Vocabulary
Synonyms of “aneurysm”
Strong
Neutral
Weak
Vocabulary
Antonyms of “aneurysm”
Watch out
Common Mistakes When Using “aneurysm”
- Misspelling: 'aneurism' (archaic/less common).
- Mispronunciation: stressing the second syllable (an-EUR-ysm).
- Using it as a general term for any pain or headache.
FAQ
Frequently Asked Questions
No. An aneurysm is a weak, bulging spot in an artery. A stroke is an event where brain tissue is damaged, often due to a blocked or burst blood vessel. A ruptured brain aneurysm can *cause* a type of stroke called a hemorrhagic stroke.
Yes, many aneurysms, especially smaller ones, are asymptomatic and are discovered incidentally during scans for other issues. This is why screening is important for high-risk groups.
The aorta (the body's main artery) is a common site, specifically the abdominal aorta (Abdominal Aortic Aneurysm or AAA). In the brain, they often occur at the base of the brain in an area called the Circle of Willis.
Dissection is a dangerous complication where the inner layer of the artery wall tears, allowing blood to flow between the layers, forcing them apart. This can rapidly weaken the vessel and is a medical emergency.
A serious medical condition where an artery wall weakens and bulges outward, creating a balloon-like swelling.
Aneurysm is usually technical / medical in register.
Aneurysm: in British English it is pronounced /ˈæn.jə.rɪ.zəm/, and in American English it is pronounced /ˈæn.jə.rɪ.zəm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “A ticking time bomb (used figuratively to describe an unruptured aneurysm)”
Learning
Memory Aids
Mnemonic
Think: "An artery is in a bad RHYTHM (rysm), bulging dangerously."
Conceptual Metaphor
A WEAK SPOT AS A TIME BOMB (e.g., 'The aneurysm in his aorta was a ticking time bomb.')
Practice
Quiz
What is an aneurysm?