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Pronunciation: eks-trak'shun


  1. Luxation and removal of a tooth from its alveolus.
  2. Partitioning of material (solute) into a solvent.
  3. The active portion of a drug; the making of an extract.
  4. Surgical removal by pulling out.
  5. Removal of the fetus from the uterus or vagina at or near the end of pregnancy, either manually or with instruments.
  6. Removal of the product of conception by sucton before a menstrual period has been missed.

[L. extraho, pp. -tractus, to draw out]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.