Definition of “diastole” - English Dictionary


“diastole” in English

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diastolenoun [ U ]

uk /daɪˈæs.təl.i/ us /daɪˈæs.təl.i/ specialized

Examples from literature

  • Contraction or systole is followed by a pause or diastole during which the blood flows from the veins into the auricles. 
  • Later in its action, the drug depresses the intra-cardiac motor ganglia, causing prolongation of diastole and finally arrest of the heart in dilatation. 
  • Nature outside man had taught him that life on all levels takes it course in a perpetual interplay of opposites, manifested externally in an interplay of diastole and systole comparable to the process of breathing. 
  • This change of the colour of the wall he well ascribes to the compression of the retina by the diastole of the artery. 
  • Thus we trace the rhythmic beating of the pulse to the systole and diastole of the heart, and we note a similar alternation in the contraction and relaxation of all our muscles. 

(Definition of “diastole” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“diastole” in American English

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diastolenoun [ C ]


biology the part of a heart’s action during which it fills with blood

(Definition of “diastole” from the Cambridge Academic Content Dictionary © Cambridge University Press)