13 letters · 23 points in Scrabble
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
originFrom extravasate (“let out or force out (blood or fluid)”) + -ion; further etymology at extravasate. Attested from the 17th century.
Etymology from Wiktionary, CC BY-SA 3.0