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noun

pacemaker

PAYS-may-kuhr

Pacemaker (noun) means a small medical device implanted in the chest to regulate an irregular heartbeat. Example: “He had a pacemaker fitted after his heart rhythm became unstable.”

noun
1
A small medical device implanted in the chest to regulate an irregular heartbeat.
"He had a pacemaker fitted after his heart rhythm became unstable."
2
A runner or competitor who sets the speed for others in a race.
"The pacemaker dropped out after the first lap, having done their job."

How to use pacemaker

Learner’s notes

In plain EnglishEither an implanted device that keeps someone's heartbeat steady, or a racer who sets the pace for others.

Common pairings
fitted with a pacemaker act as pacemaker

Word forms

pacemakers plural

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He had a _____ fitted after his heart rhythm became unstable.

Etymology

A compound of "pace" and "maker," originally describing the natural pacemaker cells of the heart before being applied to the medical device.

pacer pacesetter sinoatrial node cardiac pacemaker artificial pacemaker

Related words

Rhymes for pacemaker

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Frequently asked questions

What does “pacemaker” mean?

The word “pacemaker” means a small medical device implanted in the chest to regulate an irregular heartbeat. In plain terms, either an implanted device that keeps someone's heartbeat steady, or a racer who sets the pace for others.

How do you pronounce “pacemaker”?

“Pacemaker” is pronounced PAYS-may-kuhr (/ˈpeɪsˌmeɪkəɹ/ in IPA).

How do you use “pacemaker” in a sentence?

Here is “pacemaker” used in a sentence: “He had a pacemaker fitted after his heart rhythm became unstable.”

What part of speech is “pacemaker”?

“Pacemaker” is a noun.

How many meanings does “pacemaker” have?

“Pacemaker” has 2 distinct senses listed in this dictionary. The most common is: a small medical device implanted in the chest to regulate an irregular heartbeat.

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Definitions: FreeDict original editorial