Related topics: Illness & disability, Psychology, psychiatry
ˌpost-traumatic ˈstress disˌorder noun [uncountableU] medicalMI (abbreviation PTSD) a mental illness which can develop after a very bad experience such as a plane crash 创伤后应激障碍〔遭遇飞机失事等创伤性事件后患上的精神疾病〕