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DIASTOLIC

 - 2 dictionary results

di⋅as⋅tol⋅ic

[dahy-uh-stol-ik]
–adjective
1. pertaining to or produced by diastole.
2. (of blood pressure) indicating the arterial pressure during the interval between heartbeats.
Compare systolic.


Origin:
1685–95; diastole + -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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di·as·to·le   (dī-ās'tə-lē)   
n.  
  1. Physiology The normal rhythmically occurring relaxation and dilatation of the heart chambers, especially the ventricles, during which they fill with blood.

  2. The lengthening of a normally short syllable in Greek and Latin verse.


[Greek diastolē, dilation, separation, from diastellein, to expand : dia-, apart; see dia- + stellein, to place, send; see stel- in Indo-European roots.]
di'as·tol'ic (dī'ə-stŏl'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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