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overdrive

Pronunciation: o'ver-driv

Definition:

  1. An electrophysiologic pacing technique to exceed the rate of an abnormal pacemaker and so capture the territory controlled by that pacemaker (usually atrial).
  2. A state of eukaryotic RNA polymerase wherein it is resistant to pause, arrest, or termination signals.

See Also: hesitant, antitermination

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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