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Pacemaker   /pˈeɪsmˌeɪkər/   Listen
Pacemaker

noun
1.
A leading instance in its field.  Synonym: pacesetter.
2.
A specialized bit of heart tissue that controls the heartbeat.  Synonyms: cardiac pacemaker, SA node, sinoatrial node.
3.
An implanted electronic device that takes over the function of the natural cardiac pacemaker.  Synonym: artificial pacemaker.
4.
A horse used to set the pace in racing.  Synonyms: pacer, pacesetter.





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Words linked to "Pacemaker" :   heart muscle, bangtail, electronic device, model, example, exemplar, race horse, good example, racehorse, cardiac muscle


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