| v. t. | 1. | To force or let out of the proper vessels or arteries, as blood. |
| v. i. | 1. | (Physiol.) To pass by infiltration or effusion from the normal channel, such as a blood vessel or a lymphatic, into the surrounding tissue; - said of blood, lymph, etc. |
| Verb | 1. | extravasate - force out or cause to escape from a proper vessel or channel |
| 2. | extravasate - become active and spew forth lava and rocks; "Vesuvius erupts once in a while" | |
| 3. | extravasate - geology: cause molten material, such as lava, to pour forth |