General English


  • noun an organisation which helps another to change by giving advice or offering support


  • An electrical device which delivers small impulses to the heart under specified conditions, and at a predetermined rate, so as to promote its pumping blood at a regular pace. Such a device may or may not be implanted. Also called pacer, cardiac pacemaker, or heart pacer.
  • synonympacer


  • noun a node in the heart which regulates the heartbeat.


  • noun a clearly marked athlete who runs at a set pace to help other runners set their pace
  • noun a battery-operated electrical device inserted into the body to deliver small regular shocks that stimulate the heart to beat in a normal rhythm