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1. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
   "the pulsations seemed to be coming from a star"
   - pulsing, pulse, impulse
    
2. A periodically recurring phenomenon that alternately increases and decreases some quantity
    
3. The rhythmic contraction and expansion of the arteries with each beat of the heart
   - pulse, heartbeat, beat

Derived forms: pulsations

See also: pulsate

Type of: periodic event, phenomenon, recurrent event, undulation, wave

Encyclopedia: Pulsation