Noun
major depressive disorder (countable and uncountable, plural major depressive disorders)
(psychiatry) A mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities.
Synonym: clinical depression
Major depressive disorder (MDD) also underwent a notable change, in that the bereavement clause has been removed. Source: Internet
They may have been diagnosed in the past with Generalized Anxiety Disorder, Major Depressive Disorder, and even Dissociative Identity Disorder with Psychosis. Source: Internet
Geneva, 64. Major depressive disorder For major depressive disorder, ECT is generally used only when other treatments have failed, or in emergencies, such as imminent suicide. Source: Internet