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Word of the Day Tuesday, June 9, 2026

pacemaker

/pəˈsiːmækər/ noun · British & US
Valid in UKValid in US
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What does pacemaker mean?

noun

A small electronic device implanted in the body to regulate the heartbeat, or a device used to regulate the speed of a machine, such as a car engine.

Example

"The doctor explained that the pacemaker was necessary to stabilize the patient's irregular heartbeat."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for pacemaker

Antonyms of pacemaker

Rhymes with pacemaker

Etymologically related