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1

cycloid

play
noun cy·cloid \ˈsī-ˌklȯid\

Definition of cycloid

  1. :  a curve that is generated by a point on the circumference of a circle as it rolls along a straight line

cy·cloi·dal play \sī-ˈklȯi-dəl\ adjective


Illustration of cycloid

Origin of cycloid

French cycloïde, from Greek kykloeidēs circular, from kyklos


First Known Use: 1661


2

cycloid

adjective cy·cloid

Definition of cycloid

  1. 1 :  smooth with concentric lines of growth <cycloid scales>; also :  having or consisting of cycloid scales

  2. 2 :  characterized by alternating high and low moods <a cycloid personality>



1847

First Known Use of cycloid

1847


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