1. （有节奏地）搏动，跳动，震动
If something pulsates, it beats, moves in and out, or shakes with strong, regular movements.

1. produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses

e.g. pulse waves
a transmitter pulsed by an electronic tube

Synonym: pulse

2. expand and contract rhythmically
beat rhythmically

e.g. The baby's heart was pulsating again after the surgeon massaged it

Synonym: throbpulse

3. move with or as if with a regular alternating motion

e.g. the city pulsated with music and excitement

Synonym: beatquiver