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Dictionary

sys•tal•tic

Pronunciation: (si-stôl'tik, -stal'-), [key]
—adj. Physiol.
1. rhythmically contracting.
2. of the nature of contraction.
3. characterized by alternate contraction and dilation, as the action of the heart.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

syst

system

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