Meaning of systole

sys•to•le

Pronunciation: (sis'tu-lē", -lē), [key]
— n.
  1. the normal rhythmical contraction of the heart, during which the blood in the chambers is forced onward. Cf.
  2. the shortening of a syllable regularly long.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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