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Definition of diastole noun from the Oxford Advanced Learner's Dictionary

diastole

noun
 
/daɪˈæstəli/
 
/daɪˈæstəli/
[uncountable, countable] (medical)
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  1. the stage of the heart’s rhythm when its muscles relax and the heart fills with blood compare systole
    Word Originlate 16th cent.: via late Latin from Greek, ‘separation, expansion’, from diastellein, from dia ‘apart’ + stellein ‘to place’.
See diastole in the Oxford Advanced American Dictionary
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Nearby words

trait
noun
 
 
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