[ ik-strav-uh-seyt ]
/ ɪkˈstræv əˌseɪt /

verb (used with object), ex·trav·a·sat·ed, ex·trav·a·sat·ing.

Pathology. to force out from the proper vessels, as blood, especially so as to diffuse through the surrounding tissues.
Geology. to pour forth, as lava, from a subterranean source in a molten state.

verb (used without object), ex·trav·a·sat·ed, ex·trav·a·sat·ing.

Pathology. to be extravasated, as blood.
Geology. to pour forth lava or the like.


Pathology. the extravasated material; extravasation.

Nearby words

  1. extravagant,
  2. extravagantes,
  3. extravaganza,
  4. extravagate,
  5. extravaginal,
  6. extravasation,
  7. extravascular,
  8. extravascular fluid,
  9. extravehicular,
  10. extravehicular mobility unit

Origin of extravasate

First recorded in 1655–65; extra- + vas + -ate1

Related formsun·ex·trav·a·sat·ed, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for extravasate


/ (ɪkˈstrævəˌseɪt) /


pathol to cause (blood or lymph) to escape or (of blood or lymph) to escape into the surrounding tissues from their proper vessels
to exude (molten material, such as lava) or (of molten material) to be exuded


pathol the material extravasated

Word Origin for extravasate

C17: from Latin extra- + vās vessel

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for extravasate


[ ĭk-străvə-sāt′ ]


To exude from or pass out of a vessel into the tissues. Used of blood, lymph, or urine.
Related formsex•trava•sate′ null n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.