pacemaker Meaning, Definition & Usage
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noun a leading instance in its field
pacesetter.
- the new policy will be a pacesetter in community relations
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noun a specialized bit of heart tissue that controls the heartbeat
cardiac pacemaker; SA node; sinoatrial node.
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noun an implanted electronic device that takes over the function of the natural cardiac pacemaker
artificial pacemaker.
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noun a horse used to set the pace in racing
pacer; pacesetter.