Definition of pacemaker
1a : one that sets the pace for anotherb : one that takes the lead or sets an example
2a : a group of cells or a body part (such as the sinus node of the heart) that serves to establish and maintain a rhythmic activityb : an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart
pacemakingplay \ˈpās-ˌmā-kiŋ\ noun
Examples of pacemaker in a Sentence
has long been regarded as a pacemaker in home electronics
Recent Examples of pacemaker from the Web
What happens if someone hacks your WiFi connected pacemaker?
Most concerns about M.R.I.s involve people with metal, such as shrapnel, embedded in their bodies, or someone with an implanted medical device, like a cochlear implant or an older pacemaker.
Bearden discovered in 2012 that a recall had been issued on her pacemaker.
Vanezis added that medical devices like a pacemaker or any artificial implants could be used to identify people by finding their registration details.
The award is part of Medtronics, whose founder Earl Bakken, inventor of the pacemaker, values giving back to the community.
Treatment might involve medication, a pacemaker insertion, bed rest or a cardioversion, in which an electric jolt resets the heart’s rhythm.
Think of the difference between eyeglasses, which touch the body, and a pacemaker, which lies next to the heart.
Hall of Fame Los Angeles Dodgers manager Tommy Lasorda was released from the hospital and is at home resting comfortably after undergoing surgery on Thursday to replace the pacemaker in his heart, the team announced.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pacemaker'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of pacemaker
PACEMAKER Defined for English Language Learners
Definition of pacemaker for English Language Learners
medical : a small electrical machine put inside a person to make the heart beat evenly
Medical Definition of pacemaker
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
Seen and Heard
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