PerisystolePer`i*sys"to*le\, n. [Pref. peri- + systole: cf. F. p['e]risystole.] (Physiol.) The interval between the diastole and systole of the heart. It is perceptible only in the dying.
|the offspring of a zebra and a donkey.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
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