pacemaker
noun
1 pacemaker
A leading instance in its field.
synonym: pacesetter.
2 pacemaker
A specialized bit of heart tissue that controls the heartbeat.
synonyms: cardiac pacemaker, SA node, sinoatrial node.
Polish: węzeł zatokowo-przedsionkowy, węzeł SA, węzeł zatokowy, węzeł Keitha-Flacka
3 pacemaker
An implanted electronic device that takes over the function of the natural cardiac pacemaker.
synonym: artificial pacemaker.
Polish: rozrusznik serca, stymulator serca, rozrusznik, kardiostymulator, sztuczny rozrusznik serca
4 pacemaker
A horse used to set the pace in racing.
synonyms: pacer, pacesetter.
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