Vibration (noun)

1. A rapid linear oscillation of a body or particle about a position of equilibrium.
2. A rapid periodic back-and-forth motion of the particles of a medium, as sound waves in air.
3. An emotional or physical disturbance or discomfort.

Origin:

Late middle english: from latin vibratio(n-), from the verb vibrare (see vibrate).

Examples:

1. The vibration of the machinery caused the floor to shake.
2. The vibration of the guitar strings produced a beautiful sound.
3. The vibration of the earthquake could be felt for miles.
4. The vibration of the car engine was a sign of a problem.
5. The vibration of the phone signaled an incoming call.