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.
Bipolar disorder, also known as bipolar affective disorder and manic-depressive illness, is a mental disorder characterized by periods of elevated mood and periods of depression.