pacemaker

pace·mak·er | \ ˈpās-ˌmā-kər

\

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

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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 Just as then, Saturday’s finishing time will not be ratified by the IAAF as an official world record because of variables such as pacemakers entering mid-race. — BostonGlobe.com, "Could we see the first sub-2-hour marathon this weekend? - The Boston Globe," 11 Oct. 2019 Just like then, Saturday’s finishing time will not be ratified by the IAAF as an official world record, because of variables such as pacemakers entering mid-race. — Eric Willemsen, San Diego Union-Tribune, "Kipchoge chases sub 2-hour marathon in Vienna," 9 Oct. 2019 Doctors placed a pacemaker in his chest about seven years ago, but there's only so much his heart can do. — Holly V. Hays, Indianapolis Star, "Patients ages 4 to 38 bond while awaiting heart transplants at Riley Children's Hospital," 25 Dec. 2019 The paper also reported that Stacy had suffered from heart problems in the past and had received a pacemaker in 2015. — Robert Gearty, Fox News, "North Carolina man accused of murder by poisoning wife with eye drops in 2018," 22 Dec. 2019 The medical-device industry has become more conscious of computer security, says Mr Campos, particularly after an incident in 2011 when researchers at a security conference remotely hacked a pacemaker live on stage. — The Economist, "Hugo Campos has waged a decade-long battle for access to his heart implant," 12 Sep. 2019 In December 2015, Karen said, her mom got sick and needed a pacemaker. — Hannah Kirby, Milwaukee Journal Sentinel, "'We still haven't found the right hero': A Pewaukee woman is searching for a living kidney donor for her husband," 6 Sep. 2019 There is a slight risk of stroke and injury to a blood vessel, and patients have about a 10% risk of permanently needing a pacemaker. — Bret Jaspers, azcentral, "Patients love easier heart valve replacement operation, but it's not for everyone," 18 Nov. 2019 During the race, Kipchoge followed behind a car -- a condition not allowed under IAAF sanctions -- and was assisted by an army of 30 pacemakers. — Bianca Britton, CNN, "Kenya's Eliud Kipchoge smashes two-hour marathon barrier," 12 Oct. 2019

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.

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Last Updated

13 Jan 2020

Cite this Entry

“Pacemaker.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/pacemaker. Accessed 26 January 2020.

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More Definitions for pacemaker

pacemaker

noun