pacemaker
noun
pace·mak·er
ˈpās-ˌmā-kər 
1
a
: one that sets the pace for another
b
: one that takes the lead or sets an example
2
a
: a group of cells or a body part (such as the sinus node of the heart) that serves to establish and maintain a rhythmic activity
b
: an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart
Examples of pacemaker in a Sentence
has long been regarded as a pacemaker in home electronics
Recent Examples on the Web
And thus, so was her husband’s pacemaker monitor, which was connected to it.
—
Hailey Branson-Potts, Los Angeles Times, 24 Jan. 2025
Last year, Netanyahu was fitted with a pacemaker after a heart irregularity was detected.
—David Faris, Newsweek, 29 Dec. 2024
Keep in mind, though, neither device should be used by people who have implanted electrical medical devices such as pacemakers, or who are subject to seizures.
—Ben Coxworth, New Atlas, 10 Jan. 2025
A week after being admitted for dehydration, Netanyahu's doctors implanted a pacemaker to regulate his heart rate and rhythm.
—Anders Hagstrom, Fox News, 5 Jan. 2025
See All Example Sentences for pacemaker
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Hailey Branson-Potts, Los Angeles Times, 24 Jan. 2025
Last year, Netanyahu was fitted with a pacemaker after a heart irregularity was detected.
—David Faris, Newsweek, 29 Dec. 2024
Keep in mind, though, neither device should be used by people who have implanted electrical medical devices such as pacemakers, or who are subject to seizures.
—Ben Coxworth, New Atlas, 10 Jan. 2025
A week after being admitted for dehydration, Netanyahu's doctors implanted a pacemaker to regulate his heart rate and rhythm.
—Anders Hagstrom, Fox News, 5 Jan. 2025
See All Example Sentences for pacemaker
Cite this Entry
“Pacemaker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pacemaker. Accessed 6 Mar. 2025.
Copy CitationKids Definition
pacemaker
noun
pace·mak·er
ˈpā-ˌsmā-kər
1
: a group of cells or a bodily part (as of the heart) that serves to establish and maintain a rhythmic bodily activity
2
: an electrical device for steadying or establishing the heartbeat
Medical Definition
pacemaker
noun
pace·mak·er
ˈpā-ˌsmā-kər
1
: a group of cells or a body part (as the sinoatrial node of the heart) that serves to establish and maintain a rhythmic activity
2
: an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart
called also pacer
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