This pattern is occasionally interrupted by large surges called sharp waves.
At higher frequencies, they are called light waves.
Strong, also called destructive waves occur on high-energy beaches and are typical of Winter.
Winds that blow over the ocean create surface disturbances called waves.
They are sometimes called tidal waves, although they have no relation to tides.
The spikes and dips in the line tracings are called waves.
That is why they are called waves!
If the gravity waves occur within the fluid, they are called internal waves.
In the rocks themselves, these vibrations are called seismic waves.
Biofeedback is based on a certain sort of electrical activity in the brain, which produces what are called alpha waves.