Definition of pacemaker in English:

pacemaker

Line breaks: pace|maker
Pronunciation: /ˈpeɪsmeɪkə
 
/

noun

  • 1A person or animal who sets the pace at the beginning of a race, sometimes in order to help a runner break a record: he acted as a pacemaker for Bannister when he broke the four-minute mile
    More example sentences
    • That is some record for a horse used primarily in those races as a pacemaker.
    • The pair was among seven for the 2,400-meter race, including both their respective pacemakers, Diyapour and High Action.
    • He and Chris Chataway were the pacemakers as Bannister became the first man to break the four-minute barrier for the mile.
  • 1.1A person who sets standards of achievement for others: unbeaten Rangers are the surprise pacemakers
    More example sentences
    • Even though the automobile industry had also remained the pacemaker when it came to wages and working standards for its employees, it was not without its periods of labor turbulence - nor was it lacking in the desire to find workable and satisfactory solutions to labor problems.
    • This is a practice called ‘speeding up the line,’ for every man down the line must keep up with the pacemaker's pace or he'll be thrown out for another worker.
  • 2A device for stimulating the heart muscle and regulating its contractions.
    More example sentences
    • The most common forms of heart failure are treated with drugs and electrical devices such as pacemakers and implanted defibrillators, but if symptoms continue to worsen, other therapies are needed.
    • For the medical device industry, only ads for risky devices such as pacemakers or artificial hearts must disclose negative side effects.
    • Medical devices such as cardiac pacemakers, cochlear implants, and bone growth stimulators are valuable tools in the treatment of patients with multiple medical needs.
  • 2.1The part of the heart muscle (the sino-atrial node) which normally regulates contractions.
    More example sentences
    • This node is called the pacemaker of the heart because it sets the rate of the heartbeat and causes the rest of the heart to contract in its rhythm.
    • The sinus node is a natural pacemaker in your heart that helps your heart beat steadily.
    • Sinus dysrhythmia refers to a malfunction of the sinus node, the heart's natural pacemaker.
  • 2.2The part of an organ or of the body which controls rhythmic physiological activity: the brain’s circadian pacemaker which regulates our ‘biological clock’
    More example sentences
    • For this reason, the researchers decided to examine the output of the body's internal clock, called the circadian pacemaker.
    • Escape rhythms are the result of spontaneous activity from a subsidiary pacemaker, located in the atria, atrioventricular junction, or ventricles.
    • In 1998 the journal Science published a report that indicated that light exposure to the back of the knee may reset the human circadian pacemaker.

Derivatives

pacemaking

adjective & noun
More example sentences
  • Going into this game two points adrift of the pacemaking Potters, the Saints pulled out all the stops to win in devastating style.
  • The Saul side now occupy second spot, one point behind pacemaking Round House with a host of teams lining up behind them.
  • At the moment they trail pacemaking Comber Rec by six points, but have two games in hand.

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