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Pronunciation: im'preg-na'shun


  1. The act of making pregnant.
  2. The process of diffusing or permeating with another substance, as in metallic impregnation of tissue components with silver nitrate or ammoniacal silver.

See Also: saturation

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