circloid

plural circloids

1. mathematicsA variant of a cycloid being the locus of a point on a circle that rolls around another circle

   Our second result shows that if the continuum K is minimal with the property of being annular (what we call a circloid), then every rational number between the extrema of the rotation set in K is realized by a periodic orbit in K.

   2015, Andres Koropecki, “Realizing rotation numbers on annular continua”, in arXiv