pulsating

verb
  1. 1

    To expand and contract rhythmically; to throb or to beat.

  2. 2

    To quiver, vibrate, or flash; as to the beat of music.

  3. 3

    To produce a recurring increase and decrease of some quantity.

adjective
  1. 1

    That pulsates

Source: https://en.wiktionary.org/wiki/pulsate, https://en.wiktionary.org/wiki/pulsating