Any of a group of psychiatric disorders, including depression and bipolar disorder, characterized by a pervasive disturbance of mood. Also called affective disorder
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
How to use mood disorder in a sentence
So this is a whole package, and the package goes way beyond having a mood disorder, the package goes way beyond sadness.America’s Depression Diagnoses Epidemic and How to Fix It | Jesse Singal | March 30, 2013 | THE DAILY BEAST