pacemaker

[ peys-mey-ker ]

/ ˈpeɪsˌmeɪ kər /

SEE SYNONYMS FOR pacemaker ON THESAURUS.COM

noun

pacesetter.

Medicine/Medical. an electronic device implanted beneath the skin for providing a normal heartbeat by electrical stimulation of the heart muscle, used in certain heart conditions.

Anatomy, Physiology. any specialized tissue that governs a rhythmic or cyclic biological activity, as the sinoatrial node of the heart that controls heartbeat.

Origin of pacemaker

First recorded in1880–85; pace¹ + maker

OTHER WORDS FROM pacemaker

pacemaking, noun

Words nearby pacemaker

pace bowler, pace car, paced, pacefollower, pace lap, pacemaker, pacer, pacesetter, paceway, pacey, pacha

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for pacemaker

In DBS, a neurosurgeon implants electrodes in the brain that attach to a “pacemaker” for the brain.
The Burden Robin Williams Carried: Diagnosed With Parkinson’s and Depression|Dr. Anand Veeravagu, MD, Tej Azad|August 15, 2014|DAILY BEAST
Behind a rapidly spinning limousine pedalled a grotesquely humped bicyclist, using the car as a pacemaker.
Pipefuls|Christopher Morley
I'm not built for rapid work, but I guess I'll do with you for pacemaker.
Motor Matt's Daring, or, True to His Friends|Stanley R. Matthews
Then one will come to grips with life, the pacemaker of style.
Unicorns|James Huneker

The inevitable result is that the shovels move with rhythmic precision, and the slowest man becomes the pacemaker for the rest.
Cyclopedia of Commerce, Accountancy, Business Administration v. 2|Various
It is well known that the pacemaker plays his rôle not only in the field of sport but also in the factory.
Psychology and Industrial Efficiency|Hugo Mnsterberg

British Dictionary definitions for pacemaker

pacemaker

/ (ˈpeɪsˌmeɪkə) /

noun

a person, horse, vehicle, etc, used in a race or speed trial to set the pace

a person, an organization, etc, regarded as being the leader in a particular field of activity

Also called: cardiac pacemaker a small area of specialized tissue within the wall of the right atrium of the heart whose spontaneous electrical activity initiates and controls the beat of the heart

Also called: artificial pacemaker an electronic device for use in certain cases of heart disease to assume the functions of the natural cardiac pacemaker

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for pacemaker

pacemaker

A group of specialized muscle fibers in the heart that send out impulses to regulate the heartbeat. If the heart's built-in pacemaker does not function properly, an artificial pacemaker may be necessary — a small electrical device that also regulates the heartbeat by sending out impulses. An artificial pacemaker may be placed inside the body surgically or may be worn outside.

Medical definitions for pacemaker

pacemaker

[ pās′mā′kər ]

n.

A part of the body, such as the specialized mass of cardiac muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity.

Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle.

A substance whose rate or reaction sets the pace for a series of chain reactions.

The rate-limiting reaction itself.

Other words from pacemaker

pace′mak′ing adj. n.

Scientific definitions for pacemaker

pacemaker

[ pās′mā′kər ]

Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle. Electrodes attached to the heart muscle conduct electrical signals generated from the pacemaker, which either provides constant electrical stimuli to regularize the heartbeat (fixed-rate pacemakers) or provides a stimulus only when electrical activity within the heart is abnormal (demand pacemakers). Pacemakers are used in the treatment of various arrhythmias.

A part of the body, such as the specialized mass of cardiac muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity.

单词	pacemaker
释义	pacemaker [ peys-mey-ker ] / ˈpeɪsˌmeɪ kər / SEE SYNONYMS FOR pacemaker ON THESAURUS.COM noun pacesetter. Medicine/Medical. an electronic device implanted beneath the skin for providing a normal heartbeat by electrical stimulation of the heart muscle, used in certain heart conditions. Anatomy, Physiology. any specialized tissue that governs a rhythmic or cyclic biological activity, as the sinoatrial node of the heart that controls heartbeat. Origin of pacemaker First recorded in1880–85; pace¹ + maker OTHER WORDS FROM pacemaker pacemaking, noun Words nearby pacemaker pace bowler, pace car, paced, pacefollower, pace lap, pacemaker, pacer, pacesetter, paceway, pacey, pacha Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for pacemaker In DBS, a neurosurgeon implants electrodes in the brain that attach to a “pacemaker” for the brain. The Burden Robin Williams Carried: Diagnosed With Parkinson’s and Depression\|Dr. Anand Veeravagu, MD, Tej Azad\|August 15, 2014\|DAILY BEAST Behind a rapidly spinning limousine pedalled a grotesquely humped bicyclist, using the car as a pacemaker. Pipefuls\|Christopher Morley I'm not built for rapid work, but I guess I'll do with you for pacemaker. Motor Matt's Daring, or, True to His Friends\|Stanley R. Matthews Then one will come to grips with life, the pacemaker of style. Unicorns\|James Huneker The inevitable result is that the shovels move with rhythmic precision, and the slowest man becomes the pacemaker for the rest. Cyclopedia of Commerce, Accountancy, Business Administration v. 2\|Various It is well known that the pacemaker plays his rôle not only in the field of sport but also in the factory. Psychology and Industrial Efficiency\|Hugo Mnsterberg British Dictionary definitions for pacemaker pacemaker / (ˈpeɪsˌmeɪkə) / noun a person, horse, vehicle, etc, used in a race or speed trial to set the pace a person, an organization, etc, regarded as being the leader in a particular field of activity Also called: cardiac pacemaker a small area of specialized tissue within the wall of the right atrium of the heart whose spontaneous electrical activity initiates and controls the beat of the heart Also called: artificial pacemaker an electronic device for use in certain cases of heart disease to assume the functions of the natural cardiac pacemaker Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to pacemaker favorite, shoo-in, pacesetter, number one Cultural definitions for pacemaker pacemaker A group of specialized muscle fibers in the heart that send out impulses to regulate the heartbeat. If the heart's built-in pacemaker does not function properly, an artificial pacemaker may be necessary — a small electrical device that also regulates the heartbeat by sending out impulses. An artificial pacemaker may be placed inside the body surgically or may be worn outside. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for pacemaker pacemaker [ pās′mā′kər ] n. A part of the body, such as the specialized mass of cardiac muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity. Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle. A substance whose rate or reaction sets the pace for a series of chain reactions. The rate-limiting reaction itself. Other words from pacemaker pace′mak′ing adj. n. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for pacemaker pacemaker [ pās′mā′kər ] Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle. Electrodes attached to the heart muscle conduct electrical signals generated from the pacemaker, which either provides constant electrical stimuli to regularize the heartbeat (fixed-rate pacemakers) or provides a stimulus only when electrical activity within the heart is abnormal (demand pacemakers). Pacemakers are used in the treatment of various arrhythmias. A part of the body, such as the specialized mass of cardiac muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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pacemaker

noun

Origin of pacemaker

OTHER WORDS FROM pacemaker

Words nearby pacemaker

Example sentences from the Web for pacemaker

British Dictionary definitions for pacemaker

noun

Words related to pacemaker

Cultural definitions for pacemaker

Medical definitions for pacemaker

n.

Other words from pacemaker

Scientific definitions for pacemaker