vibration
n. C / Un. a continuous, fast shaking movement. You can often feel it when a machine is running or when a phone rings on a table.
n. a rapid back-and-forth motion of a particle or elastic solid about an equilibrium position. Often used to describe mechanical oscillations or the physical sensation produced by sound waves.
The vibration from the washing machine makes the floor shake.
Engineers are working to reduce the vibration in the steering wheel to make the car more comfortable to drive.
The sensitive equipment is mounted on rubber pads to isolate it from the low-frequency vibration caused by heavy traffic outside the laboratory.
From French vibration, from Latin vibrātiō (“a shaking or brandishing”), from vibrō (“shake, vibrate”); see vibrate. Morphologically vibrate + -ion.
Uncountable when referring to the general phenomenon of shaking; countable when referring to a specific instance or frequency of movement.