Meaning of the word "post traumatic stress disorder" in English

What does "post traumatic stress disorder" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

post traumatic stress disorder

US /poʊst trɔːˈmætɪk strɛs ˈdɪsɔːrdər/
UK /pəʊst trɔːˈmætɪk strɛs ˈdɪsɔːdə/

Noun

a mental health condition that's triggered by a terrifying event—either experiencing it or witnessing it

Example:
Many veterans suffer from post-traumatic stress disorder after returning from combat.
Symptoms of post-traumatic stress disorder can include flashbacks, nightmares, and severe anxiety.