extravasation

noun — 2 senses

extravasation

noun

/ɪkˌstɹævəˈseɪʃən/

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

1

The 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

The eruption of molten lava from a volcanic vent.

Related terms
extravasate, extravasatory

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.