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posttraumatic stress disorder

noun, Psychiatry.
1.
a mental disorder, as battle fatigue, occurring after a traumatic event outside the range of usual human experience, and characterized by symptoms such as reliving the event, reduced involvement with others, and manifestations of autonomic arousal such as hyperalertness and exaggerated startle response.
Abbreviation: PTSD.
Origin
1975-1980
1975-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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posttraumatic stress dis order in Medicine

posttraumatic stress disorder n.
An anxiety disorder affecting individuals who have experienced profound emotional trauma, such as torture, rape, military combat, or a natural disaster, characterized by recurrent flashbacks of the traumatic event, nightmares, eating disorders, anxiety, fatigue, forgetfulness, and social withdrawal. Also called posttraumatic stress syndrome.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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posttraumatic stress dis order in Science
posttraumatic stress disorder
  (pōst'trô-māt'ĭk, -trou-)   
A psychological disorder affecting individuals who have experienced or witnessed profoundly traumatic events, such as torture, murder, rape, or wartime combat, characterized by recurrent flashbacks of the traumatic event, nightmares, irritability, anxiety, fatigue, forgetfulness, and social withdrawal.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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posttraumatic stress dis order in Culture
posttraumatic stress disorder (PTSD)

A psychological disorder in which a person continues to respond with distress to a traumatic event long after that event has occurred. The affected person may reexperience the event in their thoughts or dreams and exhibit a heightened state of arousal characteristic of extreme stress. Combat and rape are two of the most common causes of this disorder.

Note: PTSD was formalized as a disorder after the Vietnam War, when returning soldiers would often continue to show the signs of stress long after they had left the military.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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