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pacemaker
has definitions from the fields of zoology,horse racing,anatomy
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[ noun ] an implanted electronic device that takes over the function of the natural cardiac pacemaker
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[ noun ] (anatomy,zoology) a specialized bit of heart tissue that controls the heartbeat
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[ noun ] a leading instance in its field
Synonyms Examples "the new policy will be a pacesetter in community relations" Related terms |
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[ noun ] (zoology,horse racing) a horse used to set the pace in racing
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