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English definition of “diastole”

diastole

noun [U]     /daɪˈæs.təʊ.li/ US  /dɑɪˈæs.tl̩.i/ specialized
the period of time when the heart is filling with blood after contraction ( = when blood is being forced out of the heart)The circulatory system and blood
(Definition of diastole noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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