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English to English noun
| 1 |
a leading instance in its field |  | Example: the new policy will be a pacesetter in community relations
source: wordnet30
| 2 |
a specialized bit of heart tissue that controls the heartbeat | | source: wordnet30
| 3 |
an implanted electronic device that takes over the function of the natural cardiac pacemaker | | source: wordnet30
| 4 |
a horse used to set the pace in racing | | source: wordnet30
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