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cycloid

Definitions of cycloid
  1. adjective
    resembling a circle
    synonyms: cycloidal
    rounded
    curving and somewhat round in shape rather than jagged
  2. noun
    a line generated by a point on a circle rolling along a straight line
    see moresee less
    types:
    curate cycloid
    a cycloid generated by a point inside the rolling circle
    prolate cycloid
    a cycloid generated by a point outside the rolling circle
    type of:
    line roulette, roulette
    a line generated by a point on one figure rolling around a second figure
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