oscillation
noun
[ ˌɒsɪˈleɪʃn ]
• movement back and forth in a regular rhythm.
• "the natural oscillation of a spring"
Similar:
swinging,
swing,
swaying,
swinging from side to side,
swinging back and forth,
swinging to and fro,
vibration,
wavering,
fluctuation,
see-sawing,
vacillation,
yo-yoing,
variation,
• regular variation in magnitude or position about a central point, especially of an electric current or voltage.
• "electromagnetic oscillations"
