extravasation
  溢出,溢出物
  ex·trav·a·sa·tion /ɪkˌstrævəˈzeʃən, ˈse-/ 名詞
  外滲,外滲物
  Ex·trav·a·sa·tion n.
  1. 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.
  2. Geol. The issue of lava and other volcanic products from the earth.
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  extravasation
       n 1: an extravasated liquid (blood or lymph or urine); the
            product of extravasation
       2: (of volcanos) pouring out fumes or lava (or a deposit so
          formed) [syn: eruption, eructation]
       3: the process of exuding or passing out of a vessel into
          surrounding tissues; said or blood or lymph or urine