As far as I know, the only difference between sound and vibration is that sound propagates but vibration does not. In most cases, they are the same.
Please help clarify these concepts.
[Physics] the difference between sound and vibration
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Best Answer
We will start by describing what vibration is in general and then go on to describe the human perceptible forms.
Any physical quantity which oscillates in time is a vibration or an oscillation. For example, a disturbance in a lattice of atoms gives rise to an oscillatory displacement from the mean position, which propagates along the dimensions of length. Taking such an example in gas, we talk about a disturbance in pressure. Such a change gives rise to a pressure wave through the gas. If we are looking at a disturbance or oscillation in fields, it gives rise to electromagnetic waves. These are only a few examples. A vibration can be manifested in any of the physical quantities.
Coming to the ones we can perceive, we give these vibrations different names. The perceivable pressure waves in air are sound, the electromagnetic waves that we can see are different colours in visible light. Thus, sound is a smaller part of vibrations that exist around us. Hope this clarifies the confusion.