pulsation

pul·sa·tion  (pl-sshn)

n.

1. The act of pulsating.

2. A single beat, throb, or vibration.

Thesaurus

Noun	1.	pulsation - (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" pulse, pulsing, impulse electronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices undulation, wave - (physics) a movement up and down or back and forth
	2.	pulsation - a periodically recurring phenomenon that alternately increases and decreases some quantity phenomenon - any state or process known through the senses rather than by intuition or reasoning
	3.	pulsation - the rhythmic contraction and expansion of the arteries with each beat of the heart; "he could feel the beat of her heart" heartbeat, pulse, beat periodic event, recurrent event - an event that recurs at intervals diastole - the widening of the chambers of the heart between two contractions when the chambers fill with blood systole - the contraction of the chambers of the heart (especially the ventricles) to drive blood into the aorta and pulmonary artery throbbing, pounding, throb - an instance of rapid strong pulsation (of the heart); "he felt a throbbing in his head"