noun (n)

• an extravasated liquid (blood or lymph or urine); the product of extravasation(noun.substance)

  source: wordnet30
• (of volcanos) pouring out fumes or lava (or a deposit so formed)(noun.state)

  Synonym:
  eructation, eruption
  

  source: wordnet30
• the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine(noun.process)

  source: wordnet30
• The act of forcing or letting out of its proper vessels or ducts, as a fluid; effusion; as, an extravasation of blood after a rupture of the vessels.(noun)

  source: webster1913
• The issue of lava and other volcanic products from the earth.(noun)

  source: webster1913