Search Result for "periodic motion":
Wordnet 3.0

NOUN (1)

1. motion that recurs over and over and the period of time required for each recurrence remains the same;
[syn: periodic motion, periodic movement]



WordNet (r) 3.0 (2006):

periodic motion
    n 1: motion that recurs over and over and the period of time
         required for each recurrence remains the same [syn:
         periodic motion, periodic movement]