- the oscillating, reciprocating, or other periodic motion of a rigid or elastic body or medium forced from a position or state of equilibrium.
- the analogous motion of the particles of a mass of air or the like, whose state of equilibrium has been disturbed, as in transmitting sound.
Origin of vibration
Examples from the Web for vibrational
Historical Examples of vibrational
From below came a vibrational rushing noise, nearly subsonic, which told him of the fueling operation.Tight Squeeze
Dean Charles Ing
The vibrational mode of stimulation to be presently described labours under no such disadvantage.Response in the Living and Non-Living
Jagadis Chunder Bose
It is a curious property of this vibrational system of invisibility that the index of refraction is made very low.The Black Star Passes
John W Campbell
All the rest beneath man are vibrational imitations or images of that expression.Manual of the Enumeration
C. J. Coffman
It picks up the ether and sends it through a set degree of vibrational activity.The Blind Spot
- a periodic motion about an equilibrium position, such as the regular displacement of air in the propagation of sound
- a single cycle of such a motion
1650s, from Latin vibrationem (nominative vibratio), from vibratus (see vibrate). Meaning "intuitive signal about a person or thing" was popular late 1960s, but has been recorded as far back as 1899.