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Definition of Cycloid
1. Noun. A line generated by a point on a circle rolling along a straight line.
Generic synonyms: Line Roulette, Roulette
Specialized synonyms: Curate Cycloid, Prolate Cycloid
Derivative terms: Cycloidal
Specialized synonyms: Curate Cycloid, Prolate Cycloid
Derivative terms: Cycloidal
2. Adjective. Resembling a circle.
Definition of Cycloid
1. n. A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.
2. a. Of or pertaining to the Cycloidei.
3. n. One of the Cycloidei.
Definition of Cycloid
1. a geometric curve [n -S]
Medical Definition of Cycloid
1. Suggesting cyclothymia; a term applied to a person who tends to have periods of marked swings of mood, but within normal limits. Origin: cyclo-+ G. Eidos, resembling (05 Mar 2000)