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Medical Term:


Pronunciation: kon-trakt'


  1. To shorten; to become reduced in size; in the case of muscle, either to shorten or to undergo an increase in tension.
  2. To acquire by contagion or infection.
  3. An explicit bilateral commitment by psychotherapist and patient to a defined course of action to attain the goal of the psychotherapy.

[L. con-traho, pp. -tractus, to draw together]

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