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.
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
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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.
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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.
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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.
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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.
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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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