definition of
extravasation

[1] #1 extravasation n. an extravasated liquid (blood or lymph or urine); the product of extravasation. wn

[2] #2 extravasation n. [eruption, eructation] (of volcanos) pouring out fumes or lava (or a deposit so formed). wn

[3] #3 extravasation n. the process of exuding or passing out of a vessel into surrounding tissues; said of blood or lymph or urine. wn