pertaining to or produced by diastole.
(of blood pressure) indicating the arterial pressure during the interval between heartbeats.
Compare systolic.

1685–95; diastole + -ic

hyperdiastolic, adjective
postdiastolic, adjective
prediastolic, adjective
pseudodiastolic, adjective
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World English Dictionary
diastole (daɪˈæstəlɪ)
Compare systole the dilatation of the chambers of the heart that follows each contraction, during which they refill with blood
[C16: via Late Latin from Greek: an expansion, from diastellein to expand, from dia- + stellein to place, bring together, make ready]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
diastole   (dī-ās'tə-lē)  Pronunciation Key 
The period during the normal beating of the heart in which the chambers of the heart dilate and fill with blood. Diastole of the atria occurs before diastole of the ventricles. Compare systole.

diastolic adjective (dī'ə-stŏl'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Long-term caloric restriction ameliorates the decline in diastolic function in humans.
In the dark-chocolate group, systolic blood pressure dropped five points, diastolic nearly two.
The bottom number is the diastolic blood pressure reading.
The top number is called the systolic blood pressure, and the bottom number is called the diastolic blood pressure.
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