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The Collaborative International Dictionary
Extravasating

Extravasate \Ex*trav"a*sate\, v. t. [imp. & p. p. Extravasated; p. pr. & vb. n. Extravasating.] [Pref. extra- + L. vas vessel: cf. F. extravaser. See Vase.] To force or let out of the proper vessels or arteries, as blood.

Wiktionary
extravasating

vb. (present participle of extravasate English)