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cycloid

cy·cloid [ s klòyd ]


adjective 
Definition:
 
1. like circle: resembling a circle

2. fish circular and thin: describes fish scales that are circular and thin with smooth edges

3. psychology moody: changing between states of depression and elation ( technical )



noun  (plural cy·cloids)
Definition:
 
1. mathematics geometric curve: a geometric curve formed by a point on the circumference of a circle that rolls along a straight line

2. fish fish with cycloid scales: a fish with scales that are circular and thin with smooth edges


cy·cloi·dal adjective
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