Ecchymosis

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ecchymosis \Ec`chy*mo"sis\, n.; pl. {Ecchymoses}. [NL., fr. Gr.
     ?, fr. ? to extravasate; 'ek out of + ? to pour.] (Med.)
     A livid or black and blue spot, produced by the extravasation
     or effusion of blood into the areolar tissue from a
     contusion.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  ecchymosis
       n 1: the purple or black-and-blue area resulting from a bruise
       2: the escape of blood from ruptured blood vessels into the
          surrounding tissue to form a purple or black-and-blue spot
          on the skin
       [also: {ecchymoses} (pl)]

From Bouvier's Law Dictionary, Revised 6th Ed (1856) [bouvier]:

  ECCHYMOSIS, med. jur. Blackness. It is an extravasation of blood by rupture 
  of capillary vessels, and hence it follows contusion; but it may exist, as 
  in cases of scurvy, and other morbid conditions, without the latter. Ryan's 
  Med. Jur. 172.