pacemaker

• Sustantivo que designa un ejemplo líder en un ámbito, el tejido cardíaco natural que regula el latido, un dispositivo electrónico implantado que cumple esa función, o un caballo que marca el ritmo en una carrera.

A noun referring to a leading example in a field, a natural cardiac tissue that regulates heartbeat, an implanted electronic device that performs the same function, or a horse that sets the pace in a race.

1. Leading exampleC1formal

   A person or thing that sets a standard of achievement or performance for others to follow.

   marcador de ritmo, referente

   • The company is a pacemaker in renewable energy technology.
   • Her research became a pacemaker for future studies in the field.
   • This innovative design is considered a pacemaker in modern architecture.

   Sinónimosbellwetherleaderpacesetterpioneerstandard-bearertrailblazer

   Antónimosalso-ranfollowerlaggardstraggler

2. Natural heart tissueB2formalmedical

   A small group of specialized cells in the heart that generate electrical impulses to regulate the heartbeat.

   marcapasos natural del corazón

   • The sinoatrial node acts as the natural pacemaker of the heart.
   • Damage to the heart's pacemaker can cause arrhythmias.
   • The pacemaker cells fire rhythmically to maintain a steady heartbeat.

3. Implanted medical deviceB2formalmedical

   An electronic device surgically implanted to regulate the heartbeat by sending electrical pulses to the heart.

   Marcapasos

   • The surgeon implanted a pacemaker to correct his irregular heartbeat.
   • Modern pacemakers are small and last for many years.
   • She needs to have her pacemaker checked regularly by a cardiologist.

   Sinónimosartificial pacemakercardiac pacemaker

4. Racing horseC1formalsport

   A horse that sets the speed during a race, often to help another horse achieve a faster time.

   Caballo marcador de ritmo

   • The pacemaker led the race for the first mile.
   • Trainers often use a pacemaker to help the favorite horse break a record.
   • The pacemaker tired quickly but set a fast early pace.

   Sinónimospacesetterrabbit