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noun

thrombosis

/θrɒmˈboʊsɪs/  ·  say it: throm·BOH·sis

the formation of a blood clot inside a vessel

In Medicine & Health

In more detail

1. (noun) the formation of a blood clot inside a blood vessel, which can block blood flow and cause serious health problems

Examples

How to use thrombosis

Thrombosis is a medical term referring to the pathological formation of a blood clot within a living blood vessel. It is used in clinical and scientific contexts to describe a potentially serious circulatory condition. The term is more specific and technical than the lay term 'blood clot,' which may refer to normal clotting as well.

Register: technical

Common phrases

Synonyms

blood clot · clotting · embolism

Word family

thrombotic (adjective) · thrombus (noun) · thrombose (verb)

A common mistake

Learners sometimes confuse thrombosis with embolism; thrombosis is clot formation in situ, while embolism is a clot that has traveled to block a vessel elsewhere.

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