"extravasation" in the noun sense
1. extravasation
an extravasated liquid (blood or lymph or urine the product of extravasation
2. eruption, eructation, extravasation
of volcanos) pouring out fumes or lava (or a deposit so formed)
3. extravasation
the process of exuding or passing out of a vessel into surrounding tissues said of blood or lymph or urine
Source: WordNet® (An amazing lexical database of English)
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