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English definition of “defibrillator”

defibrillator

noun [C]     /ˌdiːˈfɪb.rɪ.leɪ.tər/ US  /-t̬ɚ/ specialized
a machine used especially in hospitals , which uses an electric current to stop any irregular and dangerous activity of the heart's muscles : Defibrillators are used to restore normal rhythm to the heart .Medical and surgical equipment
(Definition of defibrillator noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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