extravasation

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/ɪkˌstɹævəˈseɪʃən/

noun

The exudation of blood, lymph or urine from a vessel into the tissues.

Similar
eruptioneructation
UncommonFirst used 19th centuryScrabble 23
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Meanings

nounextravasation (countable and uncountable, plural extravasations)

plural extravasations

  1. countableuncountableThe exudation of blood, lymph or urine from a vessel into the tissues.

    The right forearm and elbow show heavy bruises, with considerable extravasation from the surface vessels, showing they were inflicted some time before death.

    1937, Dorothy L. Sayers, Busman's Honeymoon
  2. countableuncountableThe eruption of molten lava from a volcanic vent.First known use 19th century

Synonyms & antonyms

noun(of volcanoes) pouring out fumes or lava (or a deposit so formed)

Similar
eruptioneructation
Broader
actionactivityactiveness
Also see
eructationeruption

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From extravasate (“let out or force out (blood or fluid)”) + -ion; further etymology at extravasate. Attested from the 17th century.

Full word history & related roots →
Cite this entry
APA

extravasation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/extravasation

MLA

“extravasation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/extravasation. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “extravasation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/extravasation.

Source: extravasation on Wiktionary, CC BY-SA 4.0.