Scrabble Dictionary
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| Scrabble US | (19 Points) | |
| Scrabble UK | (19 Points) | |
| Words With Friends | (22 Points) |
Pacemaker
ˈpeɪsˌmeɪkə
Pacemaker definitions
noun
pacemaker
pacemakers
- a 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"
pioneer trailblazer groundbreaker experimenter trendsetter front runner leader leading light guiding light torchbearer flagbearer pacemaker originator instigator initiator innovator avant-gardist developer creator discoverer founder founding father architect- a person who sets standards of achievement for others
"unbeaten Rangers are the surprise pacemakers"
- a device for stimulating the heart muscle and regulating its contractions
- the part of the heart muscle (the sino-atrial node) which normally regulates contractions
- the part of an organ or of the body which controls rhythmic physiological activity
"the brain's circadian pacemaker which regulates our ‘biological clock’"