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Related to pacemaking: fixed rate pacemaker, demand pacemaker


1. Sports One who sets the pace in a race. Also called pacer, pacesetter.
2. A leader in a field: the fashion house that is the pacemaker. Also called pacesetter.
a. 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.
b. Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle.

pace′mak′ing adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (General Sporting Terms) sport the act of setting a pace for race competitors
2. (Medicine) med the maintenance of physiological activity
3. (General Sporting Terms) sport relating to the setting of a pace for race competitors
4. (Medicine) med relating to the maintenance of physiological activity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The promising Jack Tudor from Merthyr Mawr, riding his godfather Philip Thomas's home-bred Blazing-Tom, took the confined race finishing two lengths in front of the pacemaking Midnight Folie.
After sharing pacemaking duties with Brecon Hill, Southfield Stone went to the front some way out and looked to have Angels Breath's measure until the leader's effort at the last gave the 8-11 favourite hope.
And with one eye on a possible pacemaking gig at the Frankfurt Marathon this month, Traynor insists he's ready to repeat his 2017 glory.
YOMIF KEJELCHA ran the fastest 3,000 metres in the world this year - thanks to a superb bit of pacemaking by Gateshead's Chris Parr.
However, Kipchoge's time will not enter the record books, due to a non-compliant system of pacemaking which involved 20 in-out devices.
But Moore kept close tabs on his pacemaking rival here before wresting the advantage inside the furlong to beat his rival by a neck.
Dylan Mouth tracked his pacemaking stablemate Celticus until Branca decided to go on with two furlongs to run.
With the pacemaking Plinth fading, last year's Champion Hurdle hero Jezki took over from the home turn, with Hurricane Fly responding to Ruby Walsh's urgings on the inside of the track.
"In a real heart, the pacemaking cells are on the top of the heart and the contraction radiates down and around the heart," said Ellen Kuhl, PhD, the study's senior author.
The pacemaking duties will be carried out by Confront for last year's Derby and Arc winner Workforce who gave weight and a beating to his rivals in the Brigadier Gerard Stakes over today's course and distance on his reappearance.
Everything seemed to be going to plan for Aidan O'Brien's So You Think as he took over at the head of affairs from his pacemaking stablemate Jan Vermeer turning into the straight.