Pronunciation: (ik-strav'u-sāt"), [key]
—v., -sat•ed, -sat•ing,
1. Pathol.to force out from the proper vessels, as blood, esp. so as to diffuse through the surrounding tissues.
2. Geol.to pour forth, as lava, from a subterranean source in a molten state.
1. Pathol.to be extravasated, as blood.
2. Geol.to pour forth lava or the like.
Pathol.the extravasated material; extravasation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.