Dictionary
cy•clo•thy•mi•a
Pronunciation: (sī"klu-thī'mē-u, sik"lu-), [key]
—
n. Psychiatry.
a mild bipolar disorder characterized by instability of mood and a tendency to swing between mild euphorias and depressions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.