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.

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

Related Words for extravasate

vent, eject, expel, disgorge, belch, explode, spew, gush, hurl, discharge, eruct, eructate

British Dictionary definitions for extravasate



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

extravasate in Medicine




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.