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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
   "he could feel the pulsation of her heart"
   - pulse, heartbeat, beat

Derived forms: pulsations

See also: pulsate

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

Encyclopedia: Pulsation