Definition of trauma noun from the Oxford Advanced American Dictionary

     

    trauma

     noun
    noun
    NAmE//ˈtrɔmə//
     
    , NAmE//ˈtraʊmə//
     
     
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  1. 1[uncountable] (psychology) a mental condition caused by severe shock, especially when the harmful effects last for a long time the effects of trauma and stress on the body The children showed no signs of trauma after their ordeal.
  2. 2[countable, uncountable] an unpleasant experience that makes you feel upset and/or anxious She felt exhausted after the traumas of recent weeks.
  3. 3[uncountable, countable] (medical) an injury The patient suffered severe brain trauma.
See the Oxford Advanced Learner's Dictionary entry: trauma