staggered terms. Membership terms for a firm's directors that expire in different years. A firm with 12 directors might have 4-year terms with 3 seats up for election each year. Staggered terms make it more difficult for a raider to gain control of a board.
Definition of mood disorder. : any of several psychological disorders (as major depressive disorder or bipolar disorder) characterized by abnormalities of emotional state âcalled also affective disorder.
Affective Disorders Overview. Affective disorders are a set of psychiatric diseases, also called mood disorders. The main types of affective disorders are depression, bipolar disorder, and anxiety disorder. Symptoms vary by individual, but they typically affect mood. They can range from mild to severe.