diastole
di·as·to·le
noun \dī-ˈas-tə-(ˌ)lē\Definition of DIASTOLE
: a rhythmically recurrent expansion; especially : the dilatation of the cavities of the heart during which they fill with blood
— di·a·stol·ic \ˌdī-ə-ˈstä-lik\ adjective
See Origin of DIASTOLE
Greek diastolē dilatation, from diastellein to expand, from dia- + stellein to prepare, send
First Known Use: circa 1578
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