harmonic motion

Noun
  1. A periodic motion in which the displacement is either symmetrical about a point or is the sum of such motions (synset 107364480)
    is a type of: periodic motion, periodic movement - motion that recurs over and over and the period of time required for each recurrence remains the same
    subtypes: simple harmonic motion - periodic motion in which the restoring force is proportional to the displacement

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