ecchymosis

ec·chy·mo·sis

noun \ˌek-ə-ˈmō-səs\

plural ec·chy·mo·ses \-ˌsēz\

Definition of ECCHYMOSIS

: the escape of blood into the tissues from ruptured blood vessels marked by a livid black-and-blue or purple spot or area; also : the discoloration so caused

—ec·chy·mot·ic \-ˈmät-ik\ adjective