n.1 the act or an instance of vibrating; oscillation.
2 Physics (esp. rapid) motion to and fro esp. of the parts of a fluid or an elastic solid whose equilibrium has been disturbed or of an electromagnetic wave.
3 (in pl.) a a mental (esp. occult) influence. b a characteristic atmosphere or feeling in a place, regarded as communicable to people present in it.
Derivatives:
vibrational adj.
Etymology: L vibratio (as VIBRATE)