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Pacemaker   Listen
noun
pacemaker  n.  (Physiol. & Anat.)
1.
A specialized bit of heart tissue that controls the heartbeat.
Synonyms: cardiac pacemaker, sinoatrial node.
2.
An implanted electronic device that takes over the function of the natural cardiac pacemaker (1); used to assist people whose heartbeat is irregular.
Synonyms: artificial pacemaker.
3.
A horse used to set the pace in racing.
Synonyms: pacer, pacesetter.





Collaborative International Dictionary of English 0.48


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Words linked to "Pacemaker" :   race horse, bangtail, example, good example, cardiac pacemaker, exemplar, artificial pacemaker, model, sinoatrial node


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