| an affective disorder characterized by periods of mania alternating with periods of depression, usually interspersed with relatively long intervals of normal mood. |
Also known as manic-depressive illness. This psychiatric disorder is marked by periods of euphoric (manic) highs often followed by periods of depression.
bipolar disorder n.
An affective disorder marked by alternating periods of euphoria and depression.
manic-depressive illness n.
Bipolar disorder.
| bipolar disorder
Any of several mood disorders usually characterized by periods of depression that alternate with mania. |
| manic-depressive illness (mān'ĭk-dĭ-prěs'ĭv) Pronunciation Key
See bipolar disorder. |