pacemaker
/ˈpeɪsˌmeɪkə(ɹ)/ noun C1- Specialized cells which stimulate the heart to beat. · natural pacemaker· cardiac pacemaker
- A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker. · artificial pacemaker
- One who sets the pace in a race, to guide the others.
Plural pacemakers
From the library
These designated pacemakers were instructed to maintain a grueling rhythm, ensuring the first three laps remained perfectly on schedule.
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