pulsation

nouns

(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"

impulse, pulsation, pulse, pulsing

is derived from

a periodically recurring phenomenon that alternately increases and decreases some quantity

pulsation

is a type of (narrower)

any state or process known through the senses rather than by intuition or reasoning

the rhythmic contraction and expansion of the arteries with each beat of the heart

"he could feel the beat of her heart"

beat, heartbeat, pulsation, pulse

is derived from