from The Century Dictionary.

  • noun The effusion of an animal fluid into the tissues surrounding its proper vessel, from which it has escaped in consequence of rupture or morbid permeability: as, extravasation of blood or of urine.
  • noun In geology, the protrusion of molten lava, either primarily from interior reservoirs, or locally from the interior of an uncongealed flow, through cracks in its hardened crust.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of forcing or letting out of its proper vessels or ducts, as a fluid; effusion.
  • noun (Geol.) The issue of lava and other volcanic products from the earth.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The exudation of blood, lymph or urine from a vessel into the tissues.
  • noun The eruption of molten lava from a volcanic vent.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an extravasated liquid (blood or lymph or urine); the product of extravasation
  • noun (of volcanos) pouring out fumes or lava (or a deposit so formed)
  • noun the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine


Sorry, no etymologies found.



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