defibrillation
noun/diːˌfɪbrɪˈleɪʃn/
/diːˌfɪbrɪˈleɪʃn/
[uncountable] (medical)- the use of a controlled electric shock from a defibrillator to return the heart to its natural rhythm
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defibrillation
Definition of defibrillation noun from the Oxford Advanced Learner's Dictionary