diastole

play
noun di·as·to·le \dī-ˈas-tə-(ˌ)lē\

Definition of diastole

  1. :  a rhythmically recurrent expansion; especially :  the dilatation of the cavities of the heart during which they fill with blood

diastolic

play \ˌdī-ə-ˈstä-lik\ adjective

Origin and Etymology of diastole

Greek diastolē dilatation, from diastellein to expand, from dia- + stellein to prepare, send


First Known Use: circa 1578


Medical Dictionary

diastole

play
noun di·as·to·le \dī-ˈas-tə-(ˌ)lē\

Medical Definition of diastole

  1. 1:  the passive rhythmical expansion or dilation of the cavities of the heart during which they fill with blood—compare systole

  2. 2:  the rhythmical expansion of a pulsating vacuole (as of an amoeba)

diastolic

\ˌdī-ə-ˈstäl-ik\play adjective

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