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See more synonyms for extravasate on Thesaurus.com
verb (used with object), ex·trav·a·sat·ed, ex·trav·a·sat·ing.
  1. Pathology. to force out from the proper vessels, as blood, especially so as to diffuse through the surrounding tissues.
  2. Geology. to pour forth, as lava, from a subterranean source in a molten state.
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verb (used without object), ex·trav·a·sat·ed, ex·trav·a·sat·ing.
  1. Pathology. to be extravasated, as blood.
  2. Geology. to pour forth lava or the like.
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  1. Pathology. the extravasated material; extravasation.
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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. 2018

Related Words

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

British Dictionary definitions for extravasate


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

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


  1. To exude from or pass out of a vessel into the tissues. Used of blood, lymph, or urine.
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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.