periodic motion

English Thesaurus

1. motion that recurs over and over and the period of time required for each recurrence remains the same (noun.event)

hypernym	:	motion, movement,
definition	:	a natural event that involves a change in the position or location of something (noun.event)

hyponym	:	harmonic motion,
definition	:	a periodic motion in which the displacement is either symmetrical about a point or is the sum of such motions (noun.event)