pulsation
noun(pul-sa-tion)
the rhythmic contraction and expansion of the arteries with each beat of the heart
pulsation
noun(pul-sa-tion)
(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
Examples:
The pulsations seemed to be coming from a star.
pulsation
noun(pul-sa-tion)
a periodically recurring phenomenon that alternately increases and decreases some quantity