Vibration

Mechanical oscillations about an equilibrium point

In mechanics, vibration (from Latin vibrāre 'to shake') is an oscillation of matter about an equilibrium point. Vibration may be deterministic if the oscillations can be characterised precisely (e.g. the periodic motion of a pendulum), or random if the oscillations can only be analysed statistically (e.g.

From Wikipedia, under CC BY-SA. More on occurri.