expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it"
{f} expand and contract rhythmically; beat, throb; vibrate, quiver; agitate mined soil in order to sift out diamonds
If something pulsates, it beats, moves in and out, or shakes with strong, regular movements. a star that pulsates. a pulsating blood vessel. + pulsation pulsations pul·sa·tion Several astronomers noted that the star's pulsations seemed less pronounced
expand and contract rhythmically; beat rhythmically; "The baby's heart was pulsating again after the surgeon massaged it" move with or as if with a regular alternating motion; "the city pulsated with music and excitement