pacemaker
noun
- runner who sets the pace in a race for other competitors
Wiktionary
Pronunciation: /ˈpeɪsˌmeɪkəɹ/
noun
Etymology: From pace + maker.
- Specialized cells which stimulate the heart to beat.
“natural pacemaker”
“cardiac pacemaker”
- A medical implement that is used to stimulate a heart to beat by simulating the action of the natural pacemaker.
“artificial pacemaker”
“High intensity EMF can have adverse impacts on the operation of implantable medical devices (IMDs) such as pacemakers and defibrillators.”
- One who sets the pace in a race, to guide the others.