Meaning & use
occlusion
Last updated
A blockage or closing off of a passage, opening, or blood vessel.
See it in a sentence
The patient was diagnosed with a coronary occlusion that restricted blood flow to the heart.
A cold front colliding with a warm front can create what meteorologists call an occlusion.
A note on using this word
Occlusion is a technical term used mainly in medicine (blocked blood vessels), dentistry (how teeth align), and meteorology (weather fronts).
Words with a similar meaning
blockageobstruction
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