Meaning of “pacemaker” in the English Dictionary

"pacemaker" in American English

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pacemakernoun [ C ]

us /ˈpeɪsˌmeɪ·kər/

a small, electronic device that is put near a person’s heart, usually under the skin, in order to control the rate at which the heart beats

(Definition of “pacemaker” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"pacemaker" in Business English

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pacemakernoun [ C ]

uk /ˈpeɪsˌmeɪkər/ us

→  pacesetter

(Definition of “pacemaker” from the Cambridge Business English Dictionary © Cambridge University Press)