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English definition of “fibrillation”


noun [U]     /fɪb.rɪˈleɪ.ʃən/ US  /ˌfɪb.rəˈleɪ.ʃən/ specialized
irregular , rapid contractions of muscles , especially the heart : atrial/ventricular fibrillationDisorders and diseases of the heart and blood
(Definition of fibrillation noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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