extravasation
noun
ex·trav·a·sa·tion
| \ ik-ˌstrav-ə-ˈzā-shən
, -ˈsā-
\
, -ˈsā-
\
Medical Definition of extravasation
1
: the action of extravasating
2a
: an extravasated fluid (as blood)
extravasations from the nose
b
: a deposit formed by extravasation