verb
pulsate
PUL-sayt/ˈpʌlseɪt/
To beat or vibrate in a regular rhythm.
The jellyfish's bell pulsates as it contracts and relaxes.
Etymology
Pulsare meant repeated beating or striking, an image carried into rhythmic throbbing and alternating contraction and expansion. The English verb may be a back-formation from pulsation rather than a direct formation from Latin.
In context
this pulsation is caused by the the valves which you see on the opposite side allowing air to pulsate the water upwards and downwards
More examples
- The speaker cone pulsates with the steady bass line.
- His temples pulsated as the headache grew worse.
- The jellyfish moves through the water by pulsating.
Forms
pulsate · pulsates · pulsated · pulsating
pulsation noun — A regular beating or vibrating movement.