pulsation
/pʌlˈseɪʃən/
noun
- A single beat, throb, or rhythmic expansion and contraction.
- The nurse counted the pulsations of the patient's pulse.
- The pulsation of the bass drum could be felt in the chest.
- Each pulsation of the engine sent a vibration through the ship.
- The process or state of beating or throbbing rhythmically.
- Meditation can help calm the pulsation of anxious thoughts.
- The machine monitors the pulsation of the hydraulic system.
- The pulsation of the star's light is caused by its regular expansion and contraction.