regular recurrence(n = noun.attribute) rhythm - recurring at regular intervals;
is a kind of cyclicity, periodicity
has particulars: cardiac rhythm, heart rhythm

on a regular basis, recurrence, regular, regular army, regular convex polyhedron, regular convex solid, regular dodecahedron, regular hexagon, regular hexahedron, regular icosahedron, regular octahedron, regular payment, regular polygon, regular polyhedron, regular tetrahedron