extravasate

verb

extravasated; extravasating

transitive verb

: to force out or cause to escape from a proper vessel or channel

intransitive verb

: to pass by infiltration or effusion from a proper vessel or channel (such as a blood vessel) into surrounding tissue

Word History

Etymology

Latin extra + vas vessel

First Known Use

1668, in the meaning defined at transitive sense

Time Traveler
The first known use of extravasate was in 1668

Browse Nearby Words

Cite this Entry

“Extravasate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extravasate. Accessed 30 Mar. 2025.

Medical Definition

extravasate

1 of 2 verb
extravasated; extravasating

transitive verb

: to force out or cause to escape from a proper vessel or channel
extravasated blood

intransitive verb

: to pass by infiltration or effusion from a proper vessel or channel (as a blood vessel) into surrounding tissue

extravasate

2 of 2 noun

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