|1.||denoting a mental disorder characterized either by an alternation between extreme euphoria and deep depression (bipolar manic-depressive disorder or syndrome) or by depression on its own or (rarely) by elation on its own (unipolar disorder)|
|2.||Compare cyclothymia a person afflicted with this disorder|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
Of, relating to, or affected by manic-depressive illness. n.
A person afflicted with manic-depressive illness.