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Definition of Diastole

Babylon English

time between two contractions of the heart, time when the heart expands and fills with blood
Diastole Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The rhythmical expansion or dilatation of the heart and arteries; -- correlative to systole, or contraction.
  
(n.)
A figure by which a syllable naturally short is made long.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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diastole
\di*as"to*le\ (?), n. [l., fr. gr. &?;, fr. &?; to put asunder, to separate; dia` through + &?; to set, to place.]
1. (physiol.) the rhythmical expansion or dilatation of the heart and arteries; -- correlative to systole, or contraction.
2. (gram.) a figure by which a syllable naturally short is made long.

Anagram
    isolated
WordNet 2.0

Noun
1. the widening of the chambers of the heart between two contractions when the chambers fill with blood
(hypernym) pulse, pulsation, heartbeat, beat
Diastole Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Diastole is the part of the cardiac cycle when the heart refills with blood following systole (contraction). Ventricular diastole is the period during which the ventricles are filling and relaxing, while atrial diastole is the period during which the atria are relaxing. The term diastole originates from the Greek word διαστολη, meaning dilation. Diastole is closely related to the phenomenon of recoil within ballistics.

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Diastole Definition from Medicine Dictionaries & Glossaries
Aging Hearts and Arteries Glossary
The period during a heart beat when the chambers are filling with blood and the heart muscle is relaxed.
Source: National Institute on Aging