pulsation

n 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" [syn: {pulsing},

{pulse}, {impulse}]

2: the rhythmic contraction and expansion of the arteries with

each beat of the heart; "he could feel the beat of her

heart" [syn: {pulse}, {heartbeat}, {beat}]