cycloid

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cy·cloid

(sī'kloyd),
Suggesting cyclothymia; a term applied to personality traits associated with cyclothymia.
[cyclo- + G. eidos, resembling]

cycloid

/cy·cloid/ (si´kloid) characterized by alternating moods of elation and depression.

cycloid

(sī′kloid′)
adj.
1. Resembling a circle.
2. Psychology Afflicted with or relating to cyclothymia.

cy·cloi′dal (-kloid′l) adj.

cycloid

(sī′kloyd) [″ + eidos, form, shape]
1. Resembling a circle.
2. Denoting a ring of atoms.
3. Extreme variations of mood from elation to melancholia.