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pacemaker - definition and meaning
pacemaker
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Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Sports One who sets the pace in a race.
- noun A leader in a field.
- noun A part of the body, such as the mass of muscle fibers of the sinoatrial node, that sets the pace or rhythm of physiological activity.
- noun Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle.
- noun Biochemistry A substance that regulates a series of related reactions.
from The Century Dictionary.
- noun One who sets the pace for others, as in racing.
- noun One who or that which makes a record for speed.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physiol. & Anat.) a specialized bit of heart tissue that controls the heartbeat.
- noun An implanted electronic device that takes over the function of the natural cardiac pacemaker{1}; -- used to assist people whose heartbeat is irregular.
- noun A horse used to set the pace in racing.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun One who sets the pace in a race, to guide the others.
- noun anatomy A set of nerves which
stimulate theheart to beat. - noun hence, medicine A medical
implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an implanted electronic device that takes over the function of the natural cardiac pacemaker
- noun a specialized bit of heart tissue that controls the heartbeat
- noun a horse used to set the pace in racing
- noun a leading instance in its field
Etymologies
Sorry, no etymologies found.
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Examples
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I think the vice president used the term pacemaker plus.
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I wonder how the average handicapped person with false limbs or a pacemaker is going to like on that scanner …
EXTRALIFE – By Scott Johnson - This is how you look to the TSA 2008
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We all know that heart monitor or pacemaker is just an illusion and has no basis on quantum mechanics.
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Deep brain stimulation, sometimes called a pacemaker for the brain, has helped halt tremors in more than 100,000 patients with Parkinson's disease and other movement disorders since 1997.
Wiring the Brain, Literally, to Treat Stubborn Disorders Melinda Beck 2012
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The most serious side effect seen in the pacemaker has been an infection linked to surgery.
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The research, led by scientists in the U.K., targeted the HCN2 gene, one of four genes that form a so-called pacemaker or HCN channel, which regulates electrical activity in the heart.
To Keep Hearing Young, Play an Instrument Ann Lukits 2011
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It is in the so-called pacemaker of their brain, which regulates the activities of other cells of the body through the day.
INSIDE OF A DOG ALEXANDRA HOROWITZ 2009
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It is in the so-called pacemaker of their brain, which regulates the activities of other cells of the body through the day.
INSIDE OF A DOG ALEXANDRA HOROWITZ 2009
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He's also had quadruple bypass surgery, a stent, and what Mr. Cheney called a pacemaker-plus implanted.
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Leahy says this so-called pacemaker plus lets him live on borrowed time.
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