Diastole Definition

dī-ăstə-lē
noun
The usual rhythmic dilatation of the heart, esp. of the ventricles, following each contraction (systole), during which the heart muscle relaxes and the chambers fill with blood.
Webster's New World
The lengthening of a normally short syllable in Greek and Latin verse.
American Heritage

Other Word Forms of Diastole

Noun

Singular:
diastole
Plural:
diastoles

Origin of Diastole

  • Greek diastolē dilation, separation from diastellein to expand dia- apart dia– stellein to place, send stel- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek διαστολή (diastolē, “separation, drawing asunder”), from διά (dia, “apart”) + στέλλειν (stellein, “send”).

    From Wiktionary

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