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Pronunciation: eks-trakt'


  1. A concentrated preparation of a drug obtained by removing the active constituents of the drug with suitable solvents, evaporating all or nearly all of the solvent, and adjusting the residual mass or powder to the prescribed standard.
  2. To remove part of a mixture with a solvent.
  3. To perform extraction.

[L. ex-traho, pp. -tractus, to draw out]

Further information

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