pacemaker

noun
pace·​mak·​er | \ ˈpās-ˌmā-kər How to pronounce pacemaker (audio) \

Definition of pacemaker

1a : one that sets the pace for another
b : 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 activity
b : an electrical device for stimulating or steadying the heartbeat or reestablishing the rhythm of an arrested heart

Other Words from pacemaker

pacemaking \ ˈpās-​ˌmā-​kiŋ How to pronounce pacemaker (audio) \ noun

Synonyms & Antonyms for pacemaker

Synonyms

Antonyms

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Examples of pacemaker in a Sentence

has long been regarded as a pacemaker in home electronics
Recent Examples on the Web The king, 86, underwent gallbladder surgery in 2020 and had the battery of his heart pacemaker replaced in March. Nadeen Ebrahim, CNN, 9 May 2022 Donald Crigler said his heart function in 2014 decreased to 10% — so doctors gave him a pacemaker. Fox News, 23 Mar. 2022 The researchers formed a ball of cardiac cells to act as a pacemaker and made a bridge of cells that connected the cardiac cells to the flank muscles. John Timmer, Ars Technica, 14 Feb. 2022 The top women, who were expected to take off at 2:17 pace, opted not to run with the pacemaker, which slowed down the entire field. Johanna Gretschel, Outside Online, 10 May 2019 The electrodes can remain in place for life, but the pacemaker needs to be replaced every nine years. Tasnim Ahmed, CNN, 7 Feb. 2022 Some blood banks want people to wait for a period of time after the pacemaker is placed, perhaps because of the very unlikely event of a blood infection. Dr. Keith Roach, oregonlive, 26 Nov. 2021 That's when the pacemaker could help get them back into a regular cycle. John Timmer, Ars Technica, 14 Feb. 2022 The number of strokes suffered after surgery has also fallen as has the number of patients who end up needing a pacemaker after TAVR. Paul Sisson, San Diego Union-Tribune, 27 Feb. 2022 See More

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

1884, in the meaning defined at sense 1a

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Time Traveler for pacemaker

Time Traveler

The first known use of pacemaker was in 1884

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Dictionary Entries Near pacemaker

pace lap

pacemaker

pace off

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Statistics for pacemaker

Last Updated

15 May 2022

Cite this Entry

“Pacemaker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pacemaker. Accessed 24 May. 2022.

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More Definitions for pacemaker

pacemaker

noun
pace·​mak·​er | \ ˈpā-ˌsmā-kər How to pronounce pacemaker (audio) \

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

More from Merriam-Webster on pacemaker

Nglish: Translation of pacemaker for Spanish Speakers

Britannica.com: Encyclopedia article about pacemaker

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